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amheuaeth

doubt

NounFeminine (benywaidd)C1/amˈheɨ̯aɨ̯θ/

"amheuaeth" means "doubt" in Welsh (feminine noun). Pronounced /amˈheɨ̯aɨ̯θ/. Mutation forms: Treiglad Llaes → hamheuaeth.

Mutation forms

In Welsh, the first letter of "amheuaeth" changes depending on the grammatical context. These are the mutated forms:

MutationForm
Base formamheuaeth
Treiglad Llaeshamheuaeth

"amheuaeth" in context

Mae buddsoddiad o £20.6 miliwn yng nghampws Gorseinon a buddsoddiad o £8 miliwn yng nghampws Tŷ Coch, ac nid oes gennyf unrhyw amheuaeth y bydd y ddau fuddsoddiad yn gwella'r cynnig dysgu i'ch etholwyr ymhellach.

There is a £20.6 million investment in the Gorseinon campus and an £8 million investment in the Tycoch campus, and I’ve no doubt that both of these will further enhance the learning offer for your constituents.

B2

Nid amheuaeth yw hynny, mae'n hyder a chwalwyd.

That's not scepticism, that's a collapse in confidence.

C1

Nid oedd unrhyw amheuaeth byth am dosturi Hefin tuag at achosion yr oedd yn credu ynddyn nhw.

Hefin's compassion for causes he believed in was never to be doubted.

B2

Fe siaradodd Hefin yn angerddol ynglŷn â'r angen am ddiwygio lesddeiliaid, ac ni adawodd neb y cyfarfod hwnnw ag unrhyw amheuaeth bod Hefin yn iawn.

Hefin spoke passionately about the need for leaseholder reform, and nobody left that meeting in any doubt that Hefin was right.

C1

Rwy'n gwybod bod gwaith helaeth wedi ei wneud ar y Bil hwn eisoes, ac nid oes amheuaeth bod angen symleiddio'r gyfraith gynllunio ar frys.

I know that this Bill has been worked on extensively already, and there is no doubt that urgent simplification of planning law is required.

C1

Further reading

Welsh Mutations Explained — Soft, Nasal & Aspirate →Welsh Pronunciation — It's Actually Easier Than English →How to Learn Welsh as an Adult — A Step-by-Step Roadmap →Best Apps to Learn Welsh (2026) →Browse all Welsh vocabulary →

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Related Welsh words

iawn

right

peth

act

dull

method

sylw

attention

cynllun

plan

gwirionedd

truth

dewis

choice

syniad

idea

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