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From Middle Irish aerach (airy, pleasant; light-hearted, gay, frivolous); aer (air) +‎ -ach. The sense ‘homosexual’ is a semantic loan from English gay.



aerach (genitive singular masculine aeraigh, genitive singular feminine aeraí, plural aeracha, comparative aeraí)

  1. airy
  2. lighthearted, gay; lively, frolicsome
  3. flighty, giddy
  4. (sexuality, LGBT) gay, homosexual
    Synonyms: bán, homaighnéasach
  5. Synonym of aerachtúil (eerie)



Irish mutation
Radical Eclipsis with h-prothesis with t-prothesis
aerach n-aerach haerach not applicable
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading[edit]

  • "aerach" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
  • aerach” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.
  • Entries containing “aerach” in English-Irish Dictionary, An Gúm, 1959, by Tomás de Bhaldraithe.
  • Entries containing “aerach” in New English-Irish Dictionary by Foras na Gaeilge.