active

Adjective

• engaged in full-time work
  • active duty
    
  • though past retirement age he is still active in his profession
    

• (of e.g. volcanos) erupting or liable to erupt
  • active volcanos
    

• (of e.g. volcanos) capable of erupting

• (used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')) expressing action rather than a state of being

• expressing that the subject of the sentence has the semantic function of actor: "Hemingway favors active constructions"

• (of the sun) characterized by an increased occurrence of sunspots and flares and radio emissions

• in operation
  • keep hope alive
    
  • the tradition was still alive
    
  • an active tradition
    

• full of activity or engaged in continuous activity
  • an active seaport
    
  • an active bond market
    
  • an active account
    

• exerting influence or producing a change or effect
  • an active ingredient
    

• characterized by energetic activity
  • an active toddler
    
  • active as a gazelle
    
  • an active man is a man of action
    

• taking part in an activity
  • an active member of the club
    
  • he was politically active
    
  • the participating organizations
    

• 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
    

• engaged in or ready for military or naval operations
  • on active duty
    
  • the platoon is combat-ready
    
  • review the fighting forces
    

• tending to become more severe or wider in scope
  • active tuberculosis
    

Noun

• a person who is a participating member of an organization
  • the club issues a list of members, both the actives and the retirees
    

• the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb
  • `The boy threw the ball' uses the active voice
    

• chemical agent capable of activity

Related words

• Synonyms: 
  dynamic , alive(p) , participating , combat-ready , fighting(a) , active voice , active agent
• Antonyms: 
  inactive , dormant , extinct , stative , passive , quiet , passive voice