English

Definition of pernickety adjective from the Oxford Advanced Learner's Dictionary

 

pernickety

 adjective
adjective
BrE BrE//pəˈnɪkəti//
 
; NAmE NAmE//pərˈnɪkəti//
 
(especially British English) (usually North American English persnickety) (informal, disapproving)
 
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worrying too much about unimportant details; showing this synonym fussy Word Origin early 19th cent. (originally Scots): of unknown origin.