The definition of a nag is a horse, particularly an old one or one in poor condition, or a person who constantly urges, annoys or scolds.(noun)
Nag is defined as to constantly urge, annoy or scold.(verb)
See nag in Webster's New World College Dictionary
Origin: < Scand (as in Swed nagga, obs. Dan nagge, to nibble, gnaw, nag) < ON gnaga: for IE base see gnaw: for sense development see fret
Origin: ME nagge, akin to obs. Du negghe < ?
See nag in American Heritage Dictionary 4
verb nagged nagged, nag·ging, nags verb, transitive
Origin: Probably of Scandinavian origin
Origin: ; akin to Old Norse gnaga, to bite, gnaw.
Origin: Middle English nagge
Origin: , possibly of Low German origin.
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