actor

Fetched 2026-10-26 (cache).

Synonyms: factor, acton, acter, auctor, ctor, achor, acor, ector, autor, attor, astor

Antonyms: factor, acton, acter, auctor, ctor, achor, acor, ector, autor, attor, astor

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|obsolete|legal}} Someone who institutes a legal suit; a [[plaintiff]] or [[complainant]]. {{defdate|13th–19th c.}}
2. {{lb|en|obsolete}} Someone acting on behalf of someone else; a [[guardian]]. {{defdate|14th–18th c.}}
3. Someone or something that takes part in some action; a [[doer]], an [[agent]]. {{defdate|from 15th c.}}
4. A person who acts a part in a theatrical play or (later) in film or television; a dramatic performer. {{defdate|from 16th c.}}
5. {{lb|en|obsolete|Ancient Rome}} An [[advocate]] or proctor in civil courts or causes. {{defdate|16th–19th c.}}
6. {{lb|en|grammar}} The [[subject]] performing the action of a [[verb]]. {{defdate|from 18th c.}}
7. {{lb|en|software engineering}} The entity that performs a role (in [[use case]] [[analysis]]).

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.