TermCymru

Results are displayed in alphabetical order.
Welsh: ymddwyn yn dreisgar neu'n fygythiol
English: engage in violent or threatening behaviour
Status A
Subject: Law
Part of speech: Verb
Context: Applicants who engage in violent or threatening behaviour
Last updated: 6 March 2025
Welsh: ymddygiad
English: behaviour
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 27 November 2007
Welsh: ymddygiad
English: conduct
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Context: behaviour
Last updated: 6 August 2012
Welsh: ymddygiadaeth
English: behaviourism
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Notes: Term o faes seicoleg.
Last updated: 9 January 2020
Welsh: ymddygiad amheus
English: suspicious behaviour
Status A
Subject: ICT
Part of speech: Noun, Masculine, Singular
Context: Suggesting the presence of malware.
Last updated: 8 April 2013
Welsh: Ymddygiad a Phresenoldeb: Cynllun Gweithredu yn Ymateb i’r Adolygiad Cenedlaethol o Ymddygiad a Phresenoldeb
English: Behaving and Attending: Action Plan Responding to the National Behaviour and Attendance Review
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: Information Document: 076/2009, March 2009.
Last updated: 1 June 2009
Welsh: ymddygiad ariannol
English: financial conduct
Status C
Subject: Finance and statistics
Part of speech: Noun, Masculine, Singular
Last updated: 20 January 2006
Welsh: Ymddygiadau Nad Ydynt yn Iach
English: Unhealthy Behaviours
Status B
Subject: Health
Part of speech: Proper noun
Notes: Teitl prosiect gwella ansawdd sy'n canolbwyntio ar ymddygiadau penodol nad ydynt yn iach mewn cleifion sydd newydd eu cofrestru.
Last updated: 2 March 2023
Welsh: ymddygiad bygythiol
English: threatening behaviour
Status C
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last updated: 17 May 2011
Welsh: ymddygiad chwistrellu sy'n peri risg
English: injecting risk behaviour
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 8 August 2013
Welsh: ymddygiad cyn-fwriadol
English: pre-intentional behaviour
Status A
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: ymddygiadau cyn-fwriadol
Definition: Ymddygiad nad yw o dan reolaeth yr unigolyn, ond sy'n adlewyrchu ei gyflwr cyffredinol (ee cyfforddus, anghyfforddus, llwglyd neu gysglyd).
Last updated: 9 January 2020
Welsh: Ymddygiad Dros Ben Llestri mewn Plant Dan Ddeg
English: Over the Top Behaviour in the Under-10s
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Definition: Llyfryn datblygu sgiliau rhianta.
Last updated: 10 December 2008
Welsh: ymddygiad gorfodaethol
English: coercive behaviour
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Definition: Gweithred neu batrwm o weithredoedd sy’n cynnwys ymosod, bygwth, codi cywilydd a brawychu, neu fathau eraill o gam-drin person, gyda’r bwriad o niweidio, cosbi neu godi ofn ar y dioddefydd.
Notes: Gweler hefyd controlling behaviour / ymddygiad rheolaethol.
Last updated: 27 January 2022
Welsh: ymddygiad gorfodaethol a rheolaethol
English: coercive and controlling behaviour
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Plural: ymddygiadau gorfodaethol a rheolaethol
Last updated: 2 July 2025
Welsh: ymddygiad gwael
English: bad behaviour
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last updated: 29 August 2012
Welsh: ymddygiad gwrthgymdeithasol
English: anti-social behaviour
Status A
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Context: Gall cymryd rhan yn y celfyddydau ac mewn chwaraeon gael effaith bositif ar iechyd meddwl, llesiant ac iechyd corfforol a gall hefyd wella cysylltiadau cymdeithasol a lleihau ymddygiad gwrthgymdeithasol, gan felly gefnogi nodau llesiant amrywiol iawn.
Last updated: 25 July 2019
Welsh: Ymddygiad Gwrthgymdeithasol a Niwsans Cymdogion
English: Anti-Social Behaviour and Neighbourhood Nuisance
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last updated: 3 July 2002
Welsh: ymddygiad gwrthgymdeithasol sy'n gysylltiedig â thai
English: housing-related anti-social behaviour
Status B
Subject: Housing
Part of speech: Noun, Masculine, Singular
Last updated: 11 January 2012
Welsh: ymddygiad heriol
English: challenging behaviour
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 20 September 2005
Welsh: Ymddygiad Iechyd mewn Plant Oedran Ysgol
English: HBSC
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: health behaviour in school-aged children
Last updated: 17 May 2007
Welsh: Ymddygiad Iechyd mewn Plant Oedran Ysgol
English: HBSC Study
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: HBSC = Health Behaviour in School-aged Children
Last updated: 17 May 2007
Welsh: Ymddygiad Iechyd mewn Plant Oedran Ysgol
English: Health Behaviour in School-aged Children
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: HBSC
Last updated: 17 May 2007
Welsh: ymddygiad llonydd
English: sedentary behaviour
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 7 May 2009
Welsh: Ymddygiad mewn Ysgolion: Dulliau Diogel ac Effeithiol o Ymyrryd
English: Behaviour in Schools: Safe and Effective Intervention
Status C
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 1 June 2009
Welsh: ymddygiad moesegol
English: ethical behaviour
Status B
Subject: General
Part of speech: Noun, Masculine, Singular
Plural: ymddygiadau moesegol
Last updated: 25 January 2024
Welsh: ymddygiad proffesiynol annerbyniol
English: unacceptable professional conduct
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 14 May 2013
Welsh: ymddygiad rheibus
English: predatory behaviour
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last updated: 30 August 2012
Welsh: ymddygiad rheolaethol
English: controlling behaviour
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Definition: Amrywiaeth o weithredoedd a gynlluniwyd i wneud i berson arall fod yn ddarostyngedig a/neu ddibynnol drwy ei ynysu wrth ffynonellau cefnogaeth, drwy gamfanteisio ar ei adnoddau er mantais bersonol i'r ymosodwr, drwy ei amddifadu o’r moddau angenrheidiol i fod yn annibynnol, i wrthwynebu'r ymosodwr ac i ddianc, a thrwy reoli ei ymddygiad o ddydd i ddydd.
Notes: Gweler hefyd coercive behaviour / ymddygiad gorfodaethol.
Last updated: 27 January 2022
Welsh: ymddygiad rheolaethol neu orfodaethol
English: controlling or coercive behaviour
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Notes: Teitl ar drosedd
Last updated: 27 November 2025
Welsh: ymddygiad risg uchel
English: high-risk behaviour
Status B
Subject: Estates and Cadw
Part of speech: Noun, Masculine, Singular
Plural: ymddygiadau risg uchel
Last updated: 18 May 2023
Welsh: ymddygiad sefydliadol
English: organisational behaviour
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 16 November 2005
Welsh: ymddygiad sydd wedi ymwreiddio
English: entrenched behaviour
Status C
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 27 April 2010
Welsh: ymddygiad sy'n gysylltiedig ag iechyd
English: health-related behaviours
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Last updated: 15 July 2005
Welsh: ymddygiad sy’n heriol neu’n tarfu ar eraill
English: challenging or disruptive behaviour
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Plural: ymddygiadau sy’n heriol neu’n tarfu ar eraill
Notes: Yng nghyd-destun yr ystafell ddosbarth.
Last updated: 3 April 2025
Welsh: ymddygiad sy'n mynnu sylw
English: attention seeking behaviour
Status B
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 29 March 2012
Welsh: ymddygiad sy'n tarfu ar eraill
English: disruptive behaviour
Status B
Subject: Housing
Part of speech: Noun, Masculine, Singular
Last updated: 11 January 2012
Welsh: ymddygiad troseddol
English: offending behaviour
Status C
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last updated: 27 April 2010
Welsh: ymddygiad wedi'i ddysgu
English: learned behaviour
Status B
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 29 March 2012
Welsh: ymddygiad wrth gynnal busnes
English: business etiquette
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Context: eg foreign business etiquette
Last updated: 5 September 2019
Welsh: ymddygiad y cwsmer
English: consumer behaviour
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 27 October 2006
Welsh: ymdeimlad o berthyn
English: sense of belonging
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Context: Dylai cyfleoedd i ymgysylltu â’r gymuned leol ac amrywiaeth o ddiwylliannau ac ieithoedd feithrin ymdeimlad o berthyn ymhlith babanod a phlant ifanc.
Notes: Daw'r frawddeg gyd-destunol o Fframwaith Ansawdd Chwarae, Dysgu a Gofal Plentyndod Cynnar.
Last updated: 2 October 2024
Welsh: ymdeimlad o ddatgysylltiad
English: dissociation
Status C
Subject: General
Part of speech: Noun, Masculine, Singular
Last updated: 28 September 2011
Welsh: Ymdeimlad o Gymdeithas - Cefnogi Cymdeithasau Byw yng Nghymru
English: A Sense of Community - Supporting Active Communities in Wales
Status A
Subject: Social services
Part of speech: Noun, Masculine, Singular
Definition: Cadw at "Cymdeithas" yn hytrach na "Cymuned" oherwydd mai dyna ddefnyddiwyd mewn llyfryn ac ar eu gwefan.
Last updated: 22 March 2004
Welsh: Ymdeimlad o Gyrraedd
English: A Sense of Arrival
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Prosiect Cyngor Cefn Gwlad Cymru
Last updated: 30 November 2004
Welsh: ymdeimladol
English: sentient
Status C
Subject: Animals
Part of speech: Adjective
Last updated: 4 June 2018
Welsh: ymdeimlad o'r hunan
English: sense of self
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Context: Mae cydberthnasau sicr, cryf â chi ac aelodau o’r teulu yn hollbwysig o ran fy natblygiad a fy ymdeimlad o’r hunan. Mae datblygu ymdeimlad o berthyn yn ganolog i ffurfio pwy ydw i a phwy y gallaf i fod.
Notes: Daw'r frawddeg gyd-destunol o Fframwaith Ansawdd Chwarae, Dysgu a Gofal Plentyndod Cynnar.
Last updated: 2 October 2024
Welsh: ymdeimlad o ymgysylltiad
English: feeling of connectedness
Status B
Subject: Education
Part of speech: Noun, Masculine, Singular
Last updated: 8 June 2020
Welsh: ymdrech ar y cyd
English: shared endeavour
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Notes: Yng nghyd-destun canllawiau i weithleoedd yn sgil COVID-19.
Last updated: 25 June 2020
Welsh: ymdrech bysgota
English: fishing effort
Status C
Subject: Animals
Part of speech: Noun, Feminine, Singular
Definition: The amount of fishing gear of a specific type used over a given unit of time, eg hours trawled per day; the overall amount of fishing expressed in units of time eg number of hauls per boat per day.
Last updated: 10 May 2011
Welsh: ymdrech bysgota
English: fishing effort
Status A
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Definition: Cyfuniad o'r amser a dreulir ar y môr a phwer peiriant cwch pysgota.
Last updated: 28 February 2019