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plentynnaidd

childish

AdjectiveC2/plɛnˈtənai̯ð/

"plentynnaidd" means "childish" in Welsh (adjective). Pronounced /plɛnˈtənai̯ð/. Mutation forms: Treiglad Meddal → blentynnaidd, Treiglad Trwynol → mhlentynnaidd, Treiglad Llaes → phlentynnaidd.

Mutation forms

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

MutationForm
Base formplentynnaidd
Treiglad Meddalblentynnaidd
Treiglad Trwynolmhlentynnaidd
Treiglad Llaesphlentynnaidd

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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native

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