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1. The state or process of acting or doing: The medical team went into action.
2. Something that is done or accomplished; a deed. See Usage Note at act.
3. Organized activity to accomplish an objective: a problem requiring drastic action.
4. The causation of change by the exertion of power or a natural process: the action of waves on a beach; the action of a drug on blood pressure.
5. Habitual or vigorous activity; energy: a woman of action.
6. often actions Behavior or conduct.
7. Law A proceeding brought before a court to obtain relief; a lawsuit.
a. Armed encounter; combat: missing in action.
b. An engagement between troops or ships: fought a rear-guard action.
9. The most important or exciting work or activity in a specific field or area: always heads for where the action is.
a. A movement or a series of movements, as of an actor.
b. Manner of movement: a horse with fine action.
c. The appearance of animation of a figure in painting or sculpture.
a. The series of events and episodes that form the plot of a story or play: The action of the novel takes place over 40 years in the South.
b. A series or number of fast-moving, exciting, or dangerous events, especially in a movie: liked the film because there was so much action.
a. The operating parts of a mechanism.
b. The manner in which such parts operate.
c. The manner in which a musical instrument can be played; playability: a piano with quick action.

ac′tion·less adj.


inactive, without action
References in periodicals archive ?
The pilot will enable DoD users to access key DoD IT systems using an actionless authentication system that utilizes Qualcomm Technologies next generation hardware-anchored device attestation and continuous multi-factor authentication capabilities on the Qualcomm Snapdragon Mobile Platform.
The Assembly was reminded about its 2014 resolution about two 165MGD water supply schemes which had remained actionless yet and requested to send the matter to Privilege Committee.
To his credit, American director Christopher Alden did not try to impose action on a virtually actionless work, staging it more as a tableau sequence against a Paul Steinberg backdrop obviously inspired by the paintings of Mark Rothko.
I heard several bulls and had several good encounters, along with a couple of dull, actionless days--pretty typical elk hunting for this area.
The phenomenon of actionless activism was not news to online readers, and the story prompted comments laden with sarcasm on Facebook and Twitter.
Howard Hawks' first picture since Land of the Pharaohs ('55) is a routine Western that is almost actionless in the hrst 120 of its 140 minutes.