Synonyms for active

noun chemical agent capable of activity

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

adjective tending to become more severe or wider in scope

adjective engaged in or ready for military or naval operations

adjective disposed to take action or effectuate change

adjective taking part in an activity

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

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:

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

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

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

adjective engaged in full-time work