1. (of a thing) not able to be found because it is not in its expected place: "a quantity of cash has gone missing"Similarlostmislaidmisplacednowhere to be foundabsentnot presentgonegone astrayunaccounted forOppositeto hand
▪ not present or included when expected or supposed to be: "you can fill in the missing details later"Similarabsent fromnot present innot to be found inlacking inwanting fromin short supplyOppositepresentplentiful
▪ (of a person) absent from a place, especially home, and of unknown whereabouts: "she alerted police that her son was missing"
▪ (of a person) not yet traced or confirmed as alive, but not known to be dead, after an accident or during wartime:"three local men were missing following a swimming accident"