A member of the audience in the Theatre of the Oppressed, regarded as being on an equal footing with the performers, and not merely a passive observer.

A person who takes an active role in animal welfare.

(ornithology) Avian behaviour that occurs at night or in the twilight.

Relating to actants.

(UK, military) Full-time occupation in the military.

plural of active material

plural of active matrix

An actor who performs on stage, especially one who is part of an acting troupe.

(video games) A point that the player can "spend" on performing various in-game actions, such as spell-casting, which require various numbers of points.

plural of action point