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Definition act


From Old French acte, from Latin ācta (“register of events”), plural of āctum (“decree, law”), from agō (“put in motion”). Compare German Akte (“file”).


act (countable and uncountable, plural acts)

  1. (countable) Something done, a deed.
  2. (obsolete, uncountable) Actuality.
  3. (theology) Something done once and for all, as distinguished from a work.
  4. (countable) A product of a legislative body, a statute.
  5. The process of doing something.
  6. (countable) A formal or official record of something done.
  7. (countable, drama) A division of a theatrical performance.
  8. (countable) A performer or performers in a show.
  9. (countable) Any organized activity.
  10. (countable) A display of behaviour.
  11. A thesis maintained in public, in some English universities, by a candidate for a degree, or to show the proficiency of a student.
  12. (countable) A display of behaviour meant to deceive.


act (third-person singular simple present acts, present participle acting, simple past and past participle acted)

  1. (intransitive) To do something.
  2. (obsolete, transitive) To do (something); to perform.
  3. (intransitive) To perform a theatrical role.
  4. (intransitive) Of a play: to be acted out (well or badly).
  5. (intransitive) To behave in a certain way.
  6. (copulative) To convey an appearance of being.
  7. (intransitive) To do something that causes a change binding on the doer.
  8. (intransitive, construed with on or upon) To have an effect (on).
  9. (transitive) To play (a role).
  10. (transitive) To feign.
  11. (mathematics, intransitive, construed with on or upon, of a group) To map via a homomorphism to a group of automorphisms (of).
  12. (obsolete, transitive) To move to action; to actuate; to animate.

Results 100 Words with the letters ACT

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10 letter words with the letters ACT 

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