Definition of "action" []

  • The state or process of acting or doing: The medical team went into action. (noun)
  • Something done or accomplished; a deed. See Usage Note at act. (noun)
  • Organized activity to accomplish an objective: a problem requiring drastic action. (noun)
  • 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. (noun)
  • A movement or a series of movements, as of an actor. (noun)
  • The state or process of doing something or being active; operation (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Something done, such as an act or deed (noun)
  • Movement or posture during some physical activity (noun)
  • Activity, force, or energy (noun)
  • Conduct or behaviour (noun)
  • A legal proceeding brought by one party against another, seeking redress of a wrong or recovery of what is due; lawsuit (noun)
  • The right to bring such a proceeding (noun)
  • The operating mechanism, esp in a piano, gun, watch, etc (noun)
  • (of a guitar) the distance between the strings and the fingerboard (noun)
  • (of keyboard instruments) the sensitivity of the keys to touch (noun)
  • The force applied to a body (noun)
  • The way in which something operates or works (noun)
  • A property of a system expressed as twice the mean kinetic energy of the system over a given time interval multiplied by the time interval (noun)
  • The product of work or energy and time, usually expressed in joule seconds (noun)
  • The events that form the plot of a story, film, play, or other composition (noun)
  • A minor engagement (noun)
  • Fighting at sea or on land (noun)
  • Behaviour which is voluntary and explicable in terms of the agent's reasons, as contrasted with that which is coerced or determined causally (noun)
  • The profits of an enterprise or transaction (esp in the phrase a piece of the action) (noun)
  • The main activity, esp social activity (noun)
  • To put into effect; take action concerning (verb)
  • A command given by a film director to indicate that filming is to begin (exclamation) (c) HarperCollins Publishers Ltd 2016

Use "action" in a sentence
  • "Since 'to know' is not an action and since reduplication expresses a resultant state from an *action* as outlined above, naturally there can be no reduplicated forms possible for these stative verbs."
  • "In particular, if in the EPR/B experiment the L-apparatus pointer has a definite position before the L-measurement and the R-particle temporarily comes to possess definite position during the L-measurement, then the GRW/Pearle models involve action at a distance and thus also action* at a distance."
  • "If, on scientific principles, it can be proved that those verbs generally denominated neuter, _originally_ expressed action, their present, accepted meaning will still oppose the theory, for the generality of mankind do not attach to them the idea of _action_."