turn up verb 8turn-up noun 5forms 5 verb8 •To show up; to appear suddenly or unexpectedly.Is this your t-shirt that turned up in my drawer?I don't like people turning up without an appointment. •To cause to appear; to find by searching, etc.I spent hours in the archives, but couldn't turn up anything on the alleged criminal. •To increase the amount of something by means of a control, such as the volume, heat, or light.Turn up the radio and sing along. •To reposition by rotating, flipping, etc., upwards.He turned up his collar against the cold. •(slang) To party hard, especially when involving alcohol or drugs.We're going to turn up at the concert tonight. •To belay or make fast (a line on a cleat or pin).Turn up the main halyard. •(UK, slang) To sicken. •(slang, no longer used) To acquit.Thirty-six were cast for death, and only one was ‘topped’ (hanged), the very one that expected to be ‘turned up’ (acquitted) for highway robbery. — 1851 turn-up noun5 •Fabric turned up at the bottom of trousers to make them shorter.Why does all this fluff accumulate in the turn-ups? •(figurative) A stroke of good luck; something that appears unexpectedly; especially in turn up for the book.Despondent settled down favourite, but ran badly, and the fielders had a fine turn up by the success of Carlton Spring, on whom Allsopp jumped off in front and stayed there. — 1896 •The next card taken from the top of a pack of cards and displayed.I'll bet $10 that the next turn-up is an ace. •(old-fashioned) A fight or disturbance. •(historical) A book, intended for children, with flaps that can be lifted to reveal underlying text or images.Books with flaps which lifted up and down and known as "turn-ups" came about in 1795 and were listed in Laurie and Whittle's catalogue. — 1971 formsturned up · turning up · turns up · turn ups · turn-ups