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IRISH · A WORD WITH POSSIBILITIES

fealltach.

treacherous, insidious

9 characters2 syllables approx.Gaeilge language

Meaning & usage

adj/ˈfʲal̪ˠt̪ˠɑ(x)/Ulster

  1. treacherous, insidious

  2. deceitful, perfidious

  3. foul

Where this word comes from

From Middle Irish felltach. By surface analysis, feallta + -ach.

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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.