plural noun Fir·bolg \ˈfi(ə)rˌbələg\
variants: or



Definition of Firbolg

  1. :  an early people of Ireland

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Origin and Etymology of firbolg

Old Irish fir Bolg men of the Builg (a Celtic people), from fir (plural of fer man) + Bolg, genitive plural of Builg; akin to Welsh gwr man, Breton gour, Latin vir — more at virile

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to criticize severely

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