The Oxford Thesaurus An A-Z Dictionary of Synonyms - nag°v.

1) Sometimes, nag at. annoy, irritate, irk, pester, criticize, ride, scold, carp (at) , upbraid, badger, harass, harry, vex, henpeck, torment, hector, pick at, goad, pick on, find fault with, berate, nettle, bully, provoke, plague, worry, bother, Brit chivvy or chivy or chevy, Colloq needle: He nags her day and night about going on a diet. --n. 2) scold, harpy, pest, shrew, virago, termagant, fishwife: You certainly can be a terrible nag, can't you?