GPC Welsh Dictionary
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The issue that prevented the GPC app from running on some old versions of Android has been resolved. There is no need to reinstall it. An error causing a crash on launching in iOS 18.4 onwards has also been fixed. The new version is available from the App Store. We apologise for any inconvenience.
Word of the Day: gŵyl Fair y Canhwyllau geiriadur.ac.uk/gpc/gpc.html... or gŵyl Fair dechrau’r gwanwyn geiriadur.ac.uk/gpc/gpc.html... which falls on 2 February, half way between the shortest day and spring equinox. Are there any customs relating to the use of candles around this date?
February 3, 2026 at 2:23 PM
Word of the Day: gŵyl Fair y Canhwyllau geiriadur.ac.uk/gpc/gpc.html... or gŵyl Fair dechrau’r gwanwyn geiriadur.ac.uk/gpc/gpc.html... which falls on 2 February, half way between the shortest day and spring equinox. Are there any customs relating to the use of candles around this date?
Word of the day: llinach (lineage) geiriadur.ac.uk/gpc/gpc.html... On this day in 1461, Owain ap Maredudd ap Tudur was executed following the battle of Mortimer’s Cross. However, his descendants became kings – he was the grandfather of Henry VII, the first Tudor monarch.
February 2, 2026 at 1:07 PM
Word of the day: llinach (lineage) geiriadur.ac.uk/gpc/gpc.html... On this day in 1461, Owain ap Maredudd ap Tudur was executed following the battle of Mortimer’s Cross. However, his descendants became kings – he was the grandfather of Henry VII, the first Tudor monarch.
Word of the Day: wablin geiriadur.ac.uk/gpc/gpc.html... One name for the suds, bubbles and lather created by soap. Other forms of this word includes waplin, wabling, wablen, woblin and woblyn. Are you familiar with this word, or have you heard any other Welsh names for soap-suds?
January 30, 2026 at 10:43 AM
Word of the Day: wablin geiriadur.ac.uk/gpc/gpc.html... One name for the suds, bubbles and lather created by soap. Other forms of this word includes waplin, wabling, wablen, woblin and woblyn. Are you familiar with this word, or have you heard any other Welsh names for soap-suds?
Word of the Day bòd/boda tinwyn www.geiriadur.ac.uk/gpc/gpc.html... Circus cyaneus, bird of prey that hunts its prey by flying low above open ground, hen harrier; also barcud glas, bòd/boda llwydlas, bòd/boda'r gwerni/wern, cudwalch yr ieir, hebog glas/llwydlas, aderyn Sant Silin.
January 29, 2026 at 1:57 PM
Word of the Day bòd/boda tinwyn www.geiriadur.ac.uk/gpc/gpc.html... Circus cyaneus, bird of prey that hunts its prey by flying low above open ground, hen harrier; also barcud glas, bòd/boda llwydlas, bòd/boda'r gwerni/wern, cudwalch yr ieir, hebog glas/llwydlas, aderyn Sant Silin.
Word of the Day: CYFRWNGDDAROSTYNGEDIGAETH 'intercession', geiriadur.ac.uk/gpc/gpc.html...
This is the longest word in the Dictionary, containing 21 letters, or 25 single characters.
It is found in old religious texts, as in our first quote here, where Mary 'mediates' between humanity and God.
This is the longest word in the Dictionary, containing 21 letters, or 25 single characters.
It is found in old religious texts, as in our first quote here, where Mary 'mediates' between humanity and God.
January 28, 2026 at 9:54 AM
Word of the Day: CYFRWNGDDAROSTYNGEDIGAETH 'intercession', geiriadur.ac.uk/gpc/gpc.html...
This is the longest word in the Dictionary, containing 21 letters, or 25 single characters.
It is found in old religious texts, as in our first quote here, where Mary 'mediates' between humanity and God.
This is the longest word in the Dictionary, containing 21 letters, or 25 single characters.
It is found in old religious texts, as in our first quote here, where Mary 'mediates' between humanity and God.
Word of the Day: gwerin geiriadur.ac.uk/gpc/gpc.html... – ‘the ‘men’ or pieces used in chess’ (section 2). On 27 January 1790 William Davies Evans was born in Pembrokeshire. He was a renowned chess player and best known today for the Evans Gambit.
January 27, 2026 at 2:20 PM
Word of the Day: gwerin geiriadur.ac.uk/gpc/gpc.html... – ‘the ‘men’ or pieces used in chess’ (section 2). On 27 January 1790 William Davies Evans was born in Pembrokeshire. He was a renowned chess player and best known today for the Evans Gambit.
Word of the day: mapgath geiriadur.ac.uk/gpc/gpc.html... A name for kitten or young cat as used by Dafydd ap Gwilym. GPC also lists 'cyw cath' and 'cathan', and the more familiar 'cath fach'.
January 26, 2026 at 12:58 PM
Word of the day: mapgath geiriadur.ac.uk/gpc/gpc.html... A name for kitten or young cat as used by Dafydd ap Gwilym. GPC also lists 'cyw cath' and 'cathan', and the more familiar 'cath fach'.
Word of the Day: SERCH geiriadur.ac.uk/gpc/gpc.html... - A feeling of affection, love, desire and lust. Dafydd ap Gwilym shot arrows of love ('saethau serch') at a girl, like some cupid, in order to show his love for her.
Are you celebrating Dydd Santes Dwynwen this weekend?💘
Are you celebrating Dydd Santes Dwynwen this weekend?💘
January 23, 2026 at 10:11 AM
Word of the Day: SERCH geiriadur.ac.uk/gpc/gpc.html... - A feeling of affection, love, desire and lust. Dafydd ap Gwilym shot arrows of love ('saethau serch') at a girl, like some cupid, in order to show his love for her.
Are you celebrating Dydd Santes Dwynwen this weekend?💘
Are you celebrating Dydd Santes Dwynwen this weekend?💘
Word of the Day creadur www.geiriadur.ac.uk/gpc/gpc.html... Created being or thing, creature, living thing like a person or animal, especially one of the smallest
January 22, 2026 at 10:32 AM
Word of the Day creadur www.geiriadur.ac.uk/gpc/gpc.html... Created being or thing, creature, living thing like a person or animal, especially one of the smallest
Word of the day: SBENS geiriadur.ac.uk/gpc/gpc.html... : an understairs cupboard or closet. What would you call this?
SPENS (from an old English word spence), can also mean a place where drink was kept. That's probably the sense in Rhyd-spens, where there was a famous tavern for drovers.
SPENS (from an old English word spence), can also mean a place where drink was kept. That's probably the sense in Rhyd-spens, where there was a famous tavern for drovers.
January 21, 2026 at 9:46 AM
Word of the day: SBENS geiriadur.ac.uk/gpc/gpc.html... : an understairs cupboard or closet. What would you call this?
SPENS (from an old English word spence), can also mean a place where drink was kept. That's probably the sense in Rhyd-spens, where there was a famous tavern for drovers.
SPENS (from an old English word spence), can also mean a place where drink was kept. That's probably the sense in Rhyd-spens, where there was a famous tavern for drovers.
Word of the Day: iet geiriadur.ac.uk/gpc/gpc.html.... There are several Welsh words for a barrier placed across a gap in a wall or hedge which can be closed or opened to go into a field, garden, farmyard, &c. ’Llidiart’ has the earliest example in GPC. Use varies across different parts of Wales.
January 20, 2026 at 2:34 PM
Word of the Day: iet geiriadur.ac.uk/gpc/gpc.html.... There are several Welsh words for a barrier placed across a gap in a wall or hedge which can be closed or opened to go into a field, garden, farmyard, &c. ’Llidiart’ has the earliest example in GPC. Use varies across different parts of Wales.
Word of the day: pensaer (architect) geiriadur.ac.uk/gpc/gpc.html... On this day in 1810, the architect and poet Talhaiarn (John Jones) was born in Llanfair Talhaearn, Denbighshire. He was involved in the construction of the Crystal Palace, London, and the Château de Ferrières near Paris.
January 19, 2026 at 12:50 PM
Word of the day: pensaer (architect) geiriadur.ac.uk/gpc/gpc.html... On this day in 1810, the architect and poet Talhaiarn (John Jones) was born in Llanfair Talhaearn, Denbighshire. He was involved in the construction of the Crystal Palace, London, and the Château de Ferrières near Paris.
Word of the Day: solipsiaeth (solipsism) geiriadur.ac.uk/gpc/gpc.html... Have you ever experience the thought or feeling that you are the only being in the world you know that really exists? Solipsism is the philosophical theory that the self is all that can be known to exist.
January 16, 2026 at 11:26 AM
Word of the Day: solipsiaeth (solipsism) geiriadur.ac.uk/gpc/gpc.html... Have you ever experience the thought or feeling that you are the only being in the world you know that really exists? Solipsism is the philosophical theory that the self is all that can be known to exist.
Word of the Day grug www.geiriadur.ac.uk/gpc/gpc.html... Calluna vulgaris, heather, ling, evergreen plant from the genus Erica that grows on mountains, heaths and moorland; heath.
January 15, 2026 at 2:08 PM
Word of the Day grug www.geiriadur.ac.uk/gpc/gpc.html... Calluna vulgaris, heather, ling, evergreen plant from the genus Erica that grows on mountains, heaths and moorland; heath.
Word of the day: llwydrew ‘hoar-frost, rime’ www.geiriadur.ac.uk/gpc/gpc.html....
January 14, 2026 at 9:26 AM
Word of the day: llwydrew ‘hoar-frost, rime’ www.geiriadur.ac.uk/gpc/gpc.html....
Word of the Day: marwfis geiriadur.ac.uk/gpc/gpc.html... which means the dead month. It has been used in the past to refer to January, the time of year when the trees have no sap according to John Walters’ dictionary of 1794.
January 13, 2026 at 1:42 PM
Word of the Day: marwfis geiriadur.ac.uk/gpc/gpc.html... which means the dead month. It has been used in the past to refer to January, the time of year when the trees have no sap according to John Walters’ dictionary of 1794.
Word of the day: calan hen geiriadur.ac.uk/gpc/gpc.html... 'the first day of the year according to the Old style, old New-year’s day, 12th & 13th days of January'. It is still noted in some areas.The picture shows 1961 Calan Hen celebrations at St Tysul's church, Llandysul. Photo: Geoff Charles, NLW
January 12, 2026 at 2:50 PM
Word of the day: calan hen geiriadur.ac.uk/gpc/gpc.html... 'the first day of the year according to the Old style, old New-year’s day, 12th & 13th days of January'. It is still noted in some areas.The picture shows 1961 Calan Hen celebrations at St Tysul's church, Llandysul. Photo: Geoff Charles, NLW
Word of the Day: crwydro (to wander, roam, stroll, gad about) geiriadur.ac.uk/gpc/gpc.html... Whose footprints do you see wandering in the snow, and how would you describe them? The verb 'crwydro' can also mean 'to stray, go astray, deviate and digress'.
January 9, 2026 at 11:53 AM
Word of the Day: crwydro (to wander, roam, stroll, gad about) geiriadur.ac.uk/gpc/gpc.html... Whose footprints do you see wandering in the snow, and how would you describe them? The verb 'crwydro' can also mean 'to stray, go astray, deviate and digress'.
The issue that prevented the GPC app from running on some old versions of Android has been resolved. There is no need to reinstall it. An error causing a crash on launching in iOS 18.4 onwards has also been fixed. The new version is available from the App Store. We apologise for any inconvenience.
January 7, 2026 at 3:41 PM
The issue that prevented the GPC app from running on some old versions of Android has been resolved. There is no need to reinstall it. An error causing a crash on launching in iOS 18.4 onwards has also been fixed. The new version is available from the App Store. We apologise for any inconvenience.
AFAL Y DERI geiriadur.ac.uk/gpc/gpc.html... 'oak-apple’ or ‘gall-nut’.
Marble-like growths on oak trees caused by gallflies.
They are full of tannin and were used in the past to make ink - along with iron sulphate and gum arabic.
Do you have a word for them?
Marble-like growths on oak trees caused by gallflies.
They are full of tannin and were used in the past to make ink - along with iron sulphate and gum arabic.
Do you have a word for them?
January 7, 2026 at 10:02 AM
AFAL Y DERI geiriadur.ac.uk/gpc/gpc.html... 'oak-apple’ or ‘gall-nut’.
Marble-like growths on oak trees caused by gallflies.
They are full of tannin and were used in the past to make ink - along with iron sulphate and gum arabic.
Do you have a word for them?
Marble-like growths on oak trees caused by gallflies.
They are full of tannin and were used in the past to make ink - along with iron sulphate and gum arabic.
Do you have a word for them?
Word of the Day: Ystwyll geiriadur.ac.uk/gpc/gpc.html... – the 6th of January and the end of the Christmas holidays. ‘Ystwyll’ is a borrowing from the Latin ‘stella’ and marks the three kings’ visit to baby Jesus after their journey following a star.
January 6, 2026 at 2:09 PM
Word of the Day: Ystwyll geiriadur.ac.uk/gpc/gpc.html... – the 6th of January and the end of the Christmas holidays. ‘Ystwyll’ is a borrowing from the Latin ‘stella’ and marks the three kings’ visit to baby Jesus after their journey following a star.
Word of the day: odi geiriadur.ac.uk/gpc/gpc.html... 'Odi a wnaeth hyd y nos' (it snowed all night) according to Tudur Aled (15-16c.) There are many names for snow in the Dictionary - see how many you can find - when you have finished building your snowman, of course!
January 5, 2026 at 12:07 PM
Word of the day: odi geiriadur.ac.uk/gpc/gpc.html... 'Odi a wnaeth hyd y nos' (it snowed all night) according to Tudur Aled (15-16c.) There are many names for snow in the Dictionary - see how many you can find - when you have finished building your snowman, of course!
Word of the Day: noswyl (eve) geiriadur.ac.uk/gpc/gpc.html... It's Christmas Eve! 'Noswyl' can also mean a period of rest after finishing work, and the verb 'noswylio' comes from this name. Merry Christmas and Happy New Year from the GPC staff - who will be resting for the next week!
December 24, 2025 at 1:31 PM
Word of the Day: noswyl (eve) geiriadur.ac.uk/gpc/gpc.html... It's Christmas Eve! 'Noswyl' can also mean a period of rest after finishing work, and the verb 'noswylio' comes from this name. Merry Christmas and Happy New Year from the GPC staff - who will be resting for the next week!
Word of the day: elwlen (kidney) geiriadur.ac.uk/gpc/gpc.html... Dating from 1707, it is another name for ‘aren2’ which dates to c.1400. On this day in 1954, the first successful kidney transplant was carried out at Brigham Hospital in Boston, USA.
December 23, 2025 at 1:01 PM
Word of the day: elwlen (kidney) geiriadur.ac.uk/gpc/gpc.html... Dating from 1707, it is another name for ‘aren2’ which dates to c.1400. On this day in 1954, the first successful kidney transplant was carried out at Brigham Hospital in Boston, USA.
Word of the day: ymestyn (to extend) geiriadur.ac.uk/gpc/gpc.html... On reaching the winter solstice (Alban Arthan, gorsaf haul aeaf, heuldro'r gaeaf, y byrddydd), we look forward to daylight hours extending slightly 'fesul cam ceiliog' (in short steps as taken by a cockerel).
December 22, 2025 at 12:21 PM
Word of the day: ymestyn (to extend) geiriadur.ac.uk/gpc/gpc.html... On reaching the winter solstice (Alban Arthan, gorsaf haul aeaf, heuldro'r gaeaf, y byrddydd), we look forward to daylight hours extending slightly 'fesul cam ceiliog' (in short steps as taken by a cockerel).