being of striking appropriateness and pertinence; "the successful copywriter is a master of apposite and evocative verbal images"; "an apt reply"目を見張るような適当さと適切さであるさま適確
例:an apt reply 適切な返事
mentally quick and resourceful; "an apt pupil"; "you are a clever man...you reason well and your wit is bold"-Bram Stoker知的で頭の回転が速く、機知に富む賢い