active
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
Examples:

"active tuberculosis"

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

"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
Examples:

"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
Examples:

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

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

"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
Examples:

"an active ingredient"

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

"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
Examples:

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

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

"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
Examples:

"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
Examples:

: "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
Examples:

"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
Examples:

"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
Examples:

"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
Examples:

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

Related terms: passive_voice voice
Similar spelling:   actively
  activate
  Activase
  activated
  Actifed
  activity
  activist
  activism
  activator