act.
/AE1 K T/noun
- 1
Abbreviation of Acts.
- 2
Abbreviation of activities.
- 3
Abbreviation of actor. [(obsolete, law) Someone who institutes a legal suit; a plaintiff or complainant.]
- 4
Abbreviation of actuary. [(dated) Registrar, clerk. [16th-19th c.]]
adjective
- 1
Abbreviation of acting. [Temporarily assuming the duties or authority of another person when they are unable to do their job.]
- 2
(grammar) Abbreviation of active. [Having the power or quality of acting; causing change; communicating action or motion; acting;—opposed to passive, that receives.]
- 3
Abbreviation of actual. [(chiefly theology) relating to a person's acts or deeds; active, practical]
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