Synonyms for active

adjective

• engaged in or ready for military or naval operations
• (used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')) expressing action rather than a state of being
• taking part in an activity
• in operation
• characterized by energetic activity
• disposed to take action or effectuate change
• engaged in full-time work
• exerting influence or producing a change or effect
• expressing that the subject of the sentence has the semantic function of actor:
• full of activity or engaged in continuous activity
• (of e.g. volcanos) capable of erupting
• (of e.g. volcanos) erupting or liable to erupt
• (of the sun) characterized by an increased occurrence of sunspots and flares and radio emissions
• tending to become more severe or wider in scope

noun

• chemical agent capable of activity
• the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb
• a person who is a participating member of an organization