1. [ noun ] (chemistry) chemical agent capable of activity
Synonyms: active_agent
Related terms: chemical_agent
2. [ adjective ] (pathology) tending to become more severe or wider in scope

"active tuberculosis"

Related terms: inactive pathology progressive
3. [ adjective ] (military) engaged in or ready for military or naval operations
Synonyms: fighting combat-ready

"on active duty" "the platoon is combat-ready" "review the fighting forces"

Related terms: military operational
4. [ adjective ] 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"

Related terms: passive activist proactive hands-on activeness
5. [ adjective ] taking part in an activity
Synonyms: participating

"an active member of the club" "he was politically active" "the participating organizations"

Related terms: involved
6. [ adjective ] characterized by energetic activity

"an active toddler" "active as a gazelle" "an active man is a man of action"

Related terms: inactive acrobatic agile dancing hyperactive hot about on_the_go lively lively energetic activeness
7. [ adjective ] exerting influence or producing an effect

"an active ingredient"

Related terms: inactive activated
8. [ adjective ] full of activity or engaged in continuous activity

"an active seaport" "an active bond market" "an active account"

Related terms: inactive bustling going in_full_swing busy open brisk action
9. [ adjective ] in operation
Synonyms: alive

"keep hope alive" "the tradition was still alive" "an active tradition"

Related terms: existent
10. [ adjective ] in a state of habitual or vigorous activity

"an active man is a man of action"

Related terms: dynamic
11. [ adjective ] (of e.g. volcanos) being in a state of action or potential action

"active volcanos"

Related terms: dormant extinct vent eruptive alive action
12. [ adjective ] producing activity or change
Related terms: counteractive surface-active
13. [ noun ] a person devoted to the active life
Related terms: contemplative person
14. [ adjective ] (grammar) expressing that the subject of the sentence has the semantic function of actor

: "Hemingway favors active constructions"

Related terms: passive grammar
15. [ adjective ] (grammar) expressing action rather than a state of being; used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')
Synonyms: dynamic
Related terms: stative grammar
16. [ adjective ] engaged in full-time work

"active duty" (military) "though past retirement age he is still active in his profession"

Related terms: inactive on on practicing activated
17. [ adjective ] being in physical motion
Synonyms: on_the_move

"active fish in the aquarium" "a nurse is on the move all day"

Related terms: moving
18. [ adjective ] (sport) characterized by energetic bodily activity
Synonyms: physical

"tennis is an active sport" "a very physical dance performance"

Related terms: energetic
19. [ adjective ] (astronomy; of the sun) characterized by a high level activity in sunspots and flares and radio emissions
Related terms: quiet astronomy
20. [ noun ] (grammar,linguistics) the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb
Synonyms: active_voice

"`The boy threw the ball' uses the active voice"

Related terms: passive_voice voice
Similar spelling:   actively