#1
active n. [
active agent] chemical agent capable of activity
. wn #2
active a. tending to become more severe or wider in scope; "active tuberculosis"
. wn #3
active a. disposed to take action or effectuate change; "a director who takes an active interest in corporate operations"; "an active antagonism"; "he was active in drawing attention to their grievances"
. wn #4
active a. characterized by energetic activity; "an active toddler"; "active as a gazelle"; "an active man is a man of action"
. wn #5
active a. exerting influence or producing a change or effect; "an active ingredient"
. wn