Definition of wild Irish in English:

wild Irish

noun

historical, derogatory
  • Chiefly with the. Originally: Gaelic-speaking Irish people inhabiting the areas of Ireland not under English control. Subsequently also: Irish people regarded (especially by the English) as uncivilized, primitive, or unruly.

Origin

Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From wild + Irish. Compare post-classical Latin silvestres Hibernici, plural. Compare Welsh Gwyddel Irishman (sometimes derogatory).

Pronunciation

wild Irish

/ˌwʌɪld ˈʌɪrɪʃ/