Entry 1 sense Webster, 1913 Pernickety · Per·nick·et·y · IPA /pəˈnɪk.ə.ti/ 01 a. Finical or fussy; full of petty details. 1. Finical or fussy; full of petty details.[Colloq.] Syn. finical, finicky, fussy, meticulous, painstaking, persnickety, punctilious.