hang up verb 8hang-up noun 2forms 4 verb8 •To put up to hang.I hung up my wash on the line. •To terminate a telephone call, originally by hanging the receiver on its hook or cradle thereby automatically disconnecting the line.When my mother started telling me to be careful over the phone, I threatened to hang up on her. •(figurative) To stop talking. •To quit (something); to give up or stop doing (something); to abandon (something).He hung up the flute after college.I think it's time to hang it up. •(informal) To keep delayed, suspended, held up, or stuck.Seeing you's all I've been thinking about. You know I wouldn't hang you up this way if it wasn't for a damned good reason. — 1986 •To arrest (someone); to send (someone) to prison.So call up Trudy on the telephone / Send her a letter in the mail / Tell her I'm hung up in Dallas / They won't let me out of this jail — 1971 •To distress, disadvantage or harm (someone). •To rob or mug (someone). hang-up noun2 •(informal) An emotional difficulty or a psychological inhibition, in particular concerning one's sex life.We’re said to have so many hang-ups that we don’t even talk about sex until we’re in the pub, and to need to be blind drunk before anything approaching physical contact occurs. — 2013 •An unforeseen obstacle to progress; a hitch or delay.What a hang up I got into at once! As I look back on it it's incredible that I could have been so damned dumb. — 1951 formshung up · hanging up · hangs up · hang-ups