crowded with or characterized by much activity; "a very busy week"; "a busy life"; "a busy street"; "a busy seaport"
actively or fully engaged or occupied; "busy with her work"; "a busy man"; "too busy to eat lunch"; "the line is busy"
(of facilities such as telephones or lavatories) unavailable for use by anyone else or indicating unavailability; (`engaged' is a British term for a busy telephone line); "her line is busy"; "receptionists' telephones are always engaged"; "the lavatory is in use"; "kept getting a busy signal"
overcrowded or cluttered with detail; "a busy painting"; "a fussy design"
keep busy with; "She busies herself with her butterfly collection"
characterized by energetic activity; "an active toddler"; "active as a gazelle"; "an active man is a man of action"
engaged in full-time work; "active duty"; "though past retirement age he is still active in his profession"
full of activity or engaged in continuous activity; "an active seaport"; "an active bond market"; "an active account"
tending to become more severe or wider in scope; "active tuberculosis"
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"
(of e.g. volcanos) erupting or liable to erupt; "active volcanos"
(of e.g. volcanos) capable of erupting
expressing action rather than a state of being; used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')
expressing that the subject of the sentence has the semantic function of actor: "Hemingway favors active constructions"
exerting influence or producing a change or effect; "an active ingredient"
of the sun; characterized by a high level activity in sunspots and flares and radio emissions
in operation; "keep hope alive"; "the tradition was still alive"; "an active tradition"
taking part in an activity; "an active member of the club"; "he was politically active"; "the participating organizations"
engaged in or ready for military or naval operations; "on active duty"; "the platoon is combat-ready"; "review the fighting forces"