1. Tending to become more severe or wider in scope Adjective
2. Disposed to take action or effectuate change Adjective
3. Characterized by energetic activity Adjective
4. Exerting influence or producing a change or effect Adjective
5. Full of activity or engaged in continuous activity Adjective
6. (of the sun) characterized by an increased occurrence of sunspots and flares and radio emissions Adjective
7. Expressing that the subject of the sentence has the semantic function of actor: Adjective
8. (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
9. (of e.g. volcanos) capable of erupting Adjective
10. (of e.g. volcanos) erupting or liable to erupt Adjective
11. Engaged in full-time work Adjective
12. Chemical agent capable of activity Noun
13. The voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb Noun
14. A person who is a participating member of an organization Noun
15. Engaged in or ready for military or naval operations Adjective Satellite
16. Taking part in an activity Adjective Satellite