hang-up

(noun) an emotional preoccupation.

(noun) an unforeseen obstacle. Synonyms: hitch, rub, snag.

(verb) put a telephone receiver back in its cradle. Synonyms: hang up.

(verb) cause to be hanging or suspended. Synonyms: hang, hang up. Example: "Hang that picture on the wall."

(verb) interrupt a telephone conversation. Synonyms: hang up.