DictionaryAI

action

AK-shuhn/ˈæk.ʃn̩/

Pluralactions

23 meanings of action

Practice

  1. 1
    something donenouncountable or uncountable
    Something done, often in order to accomplish a purpose.

    The new manager's first action after taking over was to cancel all weekend overtime.

    The committee judged each action by its consequences rather than its intent.

    UsageCommon phrases: take action, a course of action. Before of + a quality, act is usual: an act of kindness.

    Similaract, deed, move, step, measure

  2. 2
    thrills (film)nouncountable or uncountable
    Fast-paced activity.

    The film delivers nonstop action right up to the closing scene.

    Downtown is where all the action happens on weekend nights.

    UsageOften before another noun: an action film, action scenes. Where the action is means where exciting things happen.

    Similarexcitement, activity

  3. 3
    nouncountable or uncountable
    Energy and effort spent in actually doing something.

    The crisis demanded swift action from the country's leaders.

    Words are easy, but real action takes courage and commitment.

    UsageCommon patterns: take action, swift action, put a plan into action. Here it usually has no a.

    Similaractivity, intervention, response

    Oppositeinaction, inactivity, passivity

  4. 4
    nouncountable or uncountable
    A legal process or charge brought before a court of law; a lawsuit.

    The company filed a civil action for breach of contract.

    His action against the city went to trial last month.

    UsageLawyers bring an action against someone or file one. Lawsuit and suit are the everyday words.

    Similarlawsuit, suit, case, claim, proceedings

    Note

    A courtroom term with Roman roots, the English heir of Latin actio. The same idea once supported an archaic verb: to action someone in law.

    Checked 1 Nov 2026 · 3 facts

    • The legal concept of an action has Roman roots. gutenberg.org
    • English action descends from Latin actio. en.wiktionary.org
    • Action historically functioned as a verb meaning to initiate legal proceedings against someone; this sense is archaic. en.wiktionary.org
  5. 5
    nouncountable or uncountable
    The way in which something moves or functions.

    Coaches spent weeks adjusting the young pitcher's throwing action to protect his shoulder.

    The swimmer's smooth arm action propelled her down the lane.

    Similarmovement, motion, stroke

  6. 6
    warfarenouncountable or uncountable
    Armed fighting between military forces; combat.

    The battalion went into action at dawn along the ridge.

    He was wounded in action during the second week of the campaign.

    UsageSoldiers see action or go into action. Fixed phrases: killed in action, missing in action, wounded in action.

    Similarcombat, battle, fighting, warfare

  7. 7
    protestnouncountable or uncountable
    A demonstration carried out by activists.

    Activists staged an action outside the courthouse to demand reform.

    Climate activists staged a peaceful action outside the bank's headquarters to protest its oil investments.

    UsageActivists stage or organize an action, usually at a named place or event.

    Similarprotest, demonstration, rally

    Note

    Activists' own word for what they stage: a protest planned to make a point. Kim Westheimer, reporting on Act Up for Gay Community News in 1987, writes of "an action at an early June Washington, D.C., AIDS conference." Actions are staged or organized, usually at a named place or event.

    Checked 30 Oct 2026 · 2 facts

    • Kim Westheimer reported on Act Up in Gay Community News in 1987. en.wiktionary.org
    • Westheimer's report contains the quoted words about a possible action at an early June AIDS conference in Washington, D.C. en.wiktionary.org
  8. 8
    natural processnouncountable or uncountable
    A process that exists in or is produced by nature, rather than by human intent.

    The action of frost cracks stone apart over many winters.

    Erosion results from the slow action of rivers on the landscape.

    UsageUsually the action of + the force: the action of frost, the action of water.

    Similareffect, work, working

    Note

    The construction names the force and lets the result follow, whether cracking, erosion or slow reshaping. Unlike a deliberate deed, this action has no doer with intent; nature is the only agent.

    Checked 1 Nov 2026 · 2 facts

    • Frost can cause cracking. bgs.ac.uk
    • Water, wind and ice cause erosion and reshape landforms over time. nps.gov
  9. 9
    plotnouncountable or uncountable
    The series of events, real or imagined, that forms the subject of a play, poem, or other work; the unfolding of its drama.

    The action of the novel shifts between two cities over a decade.

    Critics praised how steadily the action built toward the final scene.

    UsageCommon patterns: the action takes place in one night, the action shifts between two cities.

    Similarplot, story, storyline, narrative

    Note

    The critic's sense, neutral where the thrills sense is excited: a slow, quiet drama still has an action. The word means what happens, the connected events a play or poem is about.

  10. 10
    nouncountable or uncountable
    The moving parts that make a mechanism work, especially the loading and firing mechanism of a gun or the key mechanism of a piano.

    Gunsmiths cleaned the action before the hunting season opened.

    After the rainy hunt, she dried and oiled the rifle's action to keep rust away.

    Similarmechanism

    Note

    The mechanical sense: the working parts of a lock, a rifle or any other device, which a gunsmith can clean and oil and a user can feel as smooth or stiff. Gun owners and piano technicians use it most, for the firing works of a gun and the keys and hammers of a piano.

    Checked 30 Oct 2026 · 2 facts

    • A rifle's action can be cleaned and oiled. browning.com
    • A mechanism's action can move stiffly or smoothly depending on its adjustment. usa.yamaha.com

Practice

Can you tell the meanings of action apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origin

From Middle English "accioun," borrowed via Old French from Latin "āctiō(n)," meaning "act of doing or making." This came from "agere" ("to do, act"), ultimately from the Proto-Indo-European root *h₂eǵ-.

Checked 31 Oct 2026 · 5 facts