nag

(noun) someone (especially a woman) who annoys people by constantly finding fault. Synonyms: scold, scolder, nagger, common scold.

(noun) an old or over-worked horse. Synonyms: hack, jade, plug.

(verb) bother persistently with trivial complaints. Synonyms: peck, hen-peck. Examples: "She nags her husband all day long."

(verb) worry persistently. Examples: "Nagging concerns and doubts."

(verb) remind or urge constantly. Examples: "She nagged to take a vacation."