niggling[adjective]Synonyms:- persistent, gnawing, irritating, troubling, worrying
- petty, finicky, fussy, nit-picking
(informal), pettifogging, picky
(informal), quibbling
[TahlilGaran] English Synonym Dictionary ▲
nig‧gling /ˈnɪɡ
əlɪŋ/
adjective1. niggling doubt/worry/suspicion etc a slight doubt etc that you cannot stop thinking about
Synonym : nagging2. a niggling injury or problem is a slight one that does not go away
[TahlilGaran] Dictionary of Contemporary English ▲