noun chemical agent capable of activity.
— synonyms: active_agent
noun 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
noun a person who is a participating member of an organization.
adjective tending to become more severe or wider in scope.
adjective engaged in or ready for military or naval operations.
— synonyms: combat-ready, fighting(a)
adjective disposed to take action or effectuate change.
adjective taking part in an activity.
— synonyms: participating
adjective characterized by energetic activity.
adjective exerting influence or producing a change or effect.
adjective full of activity or engaged in continuous activity.
adjective in operation.
— synonyms: alive(p)
adjective (of the sun) characterized by an increased occurrence of sunspots and flares and radio emissions.
adjective expressing that the subject of the sentence has the semantic function of actor: "Hemingway favors active constructions".
adjective (used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')) expressing action rather than a state of being.
— synonyms: dynamic
adjective (of e.g. volcanos) capable of erupting.
adjective (of e.g. volcanos) erupting or liable to erupt.