TermCymru

Results are displayed in Welsh alphabetical order A-Y
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 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 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
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 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 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 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 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 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 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 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 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 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
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 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 rhywiol
English: sexual behaviour
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: ymddygiadau rhywiol
Last updated: 4 March 2026
Welsh: ymddygiad rhywiol
English: sexual behaviour
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: ymddygiadau rhywiol
Last updated: 4 March 2026
Welsh: ymddygiad rhywiol niweidiol
English: harmful sexual behaviour
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Plural: ymddygiadau rhywiol niweidiol
Definition: Ymddygiad rhywiol a arddangosir gan blant a phobl ifanc o dan 18 oed sydd yn amhriodol yn ddatblygiadol, ac a all fod yn niweidiol iddynt hwy neu eraill neu'n golygu bod plentyn, person ifanc neu oedolyn arall yn cael ei gam-drin.
Context: Felly, rhaid i’r rhai sy’n arddangos ymddygiad rhywiol niweidiol a’r rhai sy’n cael eu niweidio gan ymddygiad rhywiol niweidiol mewn unrhyw gyd-destun gael gofal, cymorth ac amddiffyniad sy’n gymesur â’u hanghenion unigol.
Last updated: 3 March 2026
Welsh: ymddygiad rhywiol niweidiol
English: HSB
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Plural: ymddygiadau rhywiol niweidiol
Definition: Ymddygiad rhywiol a arddangosir gan blant a phobl ifanc o dan 18 oed sydd yn amhriodol yn ddatblygiadol, ac a all fod yn niweidiol iddynt hwy neu eraill neu'n golygu bod plentyn, person ifanc neu oedolyn arall yn cael ei gam-drin.
Context: Felly, rhaid i’r rhai sy’n arddangos ymddygiad rhywiol niweidiol a’r rhai sy’n cael eu niweidio gan ymddygiad rhywiol niweidiol mewn unrhyw gyd-destun gael gofal, cymorth ac amddiffyniad sy’n gymesur â’u hanghenion unigol.
Notes: Dyma'r acronym Saesneg a ddefnyddir am harmful sexual behaviour.
Last updated: 3 March 2026
Welsh: ymddygiad rhywiol niweidiol
English: harmful sexual behaviour
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Plural: ymddygiadau rhywiol niweidiol
Definition: Ymddygiad rhywiol a arddangosir gan blant a phobl ifanc o dan 18 oed sydd yn amhriodol yn ddatblygiadol, ac a all fod yn niweidiol iddynt hwy neu eraill neu'n golygu bod plentyn, person ifanc neu oedolyn arall yn cael ei gam-drin.
Context: Felly, rhaid i’r rhai sy’n arddangos ymddygiad rhywiol niweidiol a’r rhai sy’n cael eu niweidio gan ymddygiad rhywiol niweidiol mewn unrhyw gyd-destun gael gofal, cymorth ac amddiffyniad sy’n gymesur â’u hanghenion unigol.
Last updated: 3 March 2026
Welsh: ymddygiad rhywiol niweidiol
English: HSB
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Plural: ymddygiadau rhywiol niweidiol
Definition: Ymddygiad rhywiol a arddangosir gan blant a phobl ifanc o dan 18 oed sydd yn amhriodol yn ddatblygiadol, ac a all fod yn niweidiol iddynt hwy neu eraill neu'n golygu bod plentyn, person ifanc neu oedolyn arall yn cael ei gam-drin.
Context: Felly, rhaid i’r rhai sy’n arddangos ymddygiad rhywiol niweidiol a’r rhai sy’n cael eu niweidio gan ymddygiad rhywiol niweidiol mewn unrhyw gyd-destun gael gofal, cymorth ac amddiffyniad sy’n gymesur â’u hanghenion unigol.
Notes: Dyma'r acronym Saesneg a ddefnyddir am harmful sexual behaviour.
Last updated: 3 March 2026
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 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 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 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 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 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 mynnu sylw
English: attention seeking behaviour
Status B
Subject: Social services
Part of speech: Noun, Masculine, Singular
Last updated: 29 March 2012