disapproval If someone nags you, they keep asking you to do something you have not done yet or do not want to do. The more Sarah nagged her, the more stubborn Cissie became My girlfriend nagged me to cut my hair She had stopped nagging him about never being home. children nagging their parents into buying things. A nag is someone who nags. Aunt Molly is a nag about regular meals. + nagging nag·ging Her endless nagging drove him away from home
{f} remind incessantly (especially of a chore); criticize relentlessly (of a fault or imperfection); pester; bother; be a persistent source of pain or nuisance
remind or urge constantly; "she nagged to take a vacation" bother persistently with trivial complaints; "She nags her husband all day long" worry persistently; "nagging concerns and doubts
If something such as a doubt or worry nags at you, or nags you, it keeps worrying you. He could be wrong about her. The feeling nagged at him. the anxiety that had nagged Amy all through lunch Something was nagging in the back of his mind. = niggle