1. hit by accident when moving: "she collided with someone"Similarcrash (into)come into collision (with)bang (into)slam (into)impact (with)hitstrikerun intomeet head-onsmash intosmack intocannon intoplough intobump intocrack into/againstknock intodash againstinformal:barrel into
▪ come into conflict or opposition:"in his work, politics and metaphysics collide"Similarconflictbe in conflictcome into conflictbe in oppositionclashdifferdivergedisagreebe at variancebe at oddsbe incompatibleOppositecoalesce
Word Originearly 17th century (in the sense ‘cause to collide’): from Latin collidere, from col- ‘together’ + laedere ‘to strike’.