niewierny.
unfaithful (adulterous)
Meaning & usage
unfaithful (adulterous)
unfaithful (not keeping good faith; disloyal; not faithful)
unfaithful (not having religious faith)
unfaithful (negligent or imperfect)
Where this word comes from
Inherited from Old Polish niewierny, from Proto-Slavic *nevěrьnъ. nie- + wierny.
infidel, unbeliever
Where this word comes from
Inherited from Old Polish niewierny, from Proto-Slavic *nevěrьnъ. nie- + wierny.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.