having a cheerful, lively, and self-confident air; "looking chipper, like a man...diverted by his own wit"- Frances G. Patton; "life that is gay, brisk, and debonair"- H.M.Reynolds; "walked with a jaunty step"; "a jaunty optimist"
extravagantly demonstrative; "insincere and effusive demonstrations of sentimental friendship"; "a large gushing female"; "write unrestrained and gushy poetry"
very fast; capable of quick response and great speed; "a hot sports car"; "a blistering pace"; "got off to a hot start"; "in hot pursuit"; "a red-hot line drive"
hot enough to raise (or as if to raise) blisters; "blistering sun"
possessing or exerting or displaying energy; "an energetic fund raiser for the college"; "an energetic group of hikers"; "it caused an energetic chemical reaction"
in constant agitation; "a seething flag-waving crowd filled the streets"; "a seething mass of maggots"; "lovers and madmen have such seething brains"- Shakespeare
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"