nag
1. nag \'nag\ n [ME nagge; akin to D negge small horse] : HORSE; esp : one that is old or in poor condition 2. nag \-in-le-\ vb or nagged; or nag.ging [prob. of Scand origin; akin to ON gnaga to gnaw; akin to OE gnagan] to gnaw 1: to find fault incessantly : COMPLAIN 2: to be a continuing source of annoyance 1: to irritate by constant scolding or urging 2: BADGER, WORRY - nag.ger n