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effeithiol

effective

AdjectiveB1/ɛˈfei̯θjɔl/

"effeithiol" means "effective" in Welsh (adjective). Pronounced /ɛˈfei̯θjɔl/. Mutation forms: Treiglad Llaes → heffeithiol.

Mutation forms

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

MutationForm
Base formeffeithiol
Treiglad Llaesheffeithiol

"effeithiol" in context

Mae awdurdodau lleol ledled Cymru yn parhau i ddarparu gwasanaethau effeithiol a gwerthfawr, er gwaethaf pwysau ariannol, drwy reoli cyllidebau'n gadarn, newid gwasanaethau a chanolbwyntio gwariant ar feysydd allweddol o alw cynyddol.

Local authorities across Wales continue to deliver effective and valued services, despite financial pressures, through robust budget management, service change and focusing expenditure on key areas of increased demand.

C1

Mi ddaru'r Llywodraeth ryddhau datganiad ansawdd nôl yn yr hydref oedd yn sôn am wneud gwasanaethau diogel, amserol, effeithiol, person-ganolog a chydradd.

The Government did release a quality statement back in the autumn that talked about providing timely, safe, effective. person-centred and equal services.

C1

Galwodd pobl am welliannau i brosesau gweinyddol Llywodraeth Cymru a fyddai'n gwella effeithlonrwydd, er mwyn sicrhau bod penderfyniadau'n cael eu gwneud yn gyflymach a bod cyllid yn cael ei ddarparu i sectorau'n fwy effeithiol.

People called for improvements to the Welsh Government’s administrative processes that would improve efficiency, to ensure decisions are made quicker and funding delivered to sectors more effectively.

C1

Mae un cyfle olaf ar ôl yn y Senedd hon i Lywodraeth Cymru ymgysylltu'n effeithiol â'n gwaith craffu ar gynigion y gyllideb ddrafft ar gyfer cysylltiadau rhyngwladol.

There is one final opportunity left in this Senedd for the Welsh Government to engage effectively with our scrutiny of the draft budget proposals for international relations.

C1

Mae hwn yn gam cadarnhaol ymlaen i'n galluogi i gyfleu'r heriau a'r rhwystrau iaith sy'n wynebu arwyddwyr BSL byddar yn effeithiol ac i ddeall ble mae'r meysydd blaenoriaeth.

This is a positive step forward in allowing us to effectively capture the challenges and language barriers faced by deaf BSL signers and to understand where the priority areas are.

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

unig

only

uchel

high

araf

slow

cyflym

fast

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poor

budr

vile

bach

small

dim

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