Date: 1300-1400 Language: Latin Origin: activus, from agere; ACT1 active1 adjective ac???tive1 S2 W21DSbusy always busy doing things, especially physical activities [??? inactive]: games for active youngsters She is over 80, but is still very active. active life/lifestyle My father always led a very active life. active mind/imagination a child with a very active imagination2involved involved in an