• (noun) IPA: /kənˈfɛdəɹət/
• (verb) IPA: /kənˈfɛdəɹeɪt/

confederate (plural confederates)

1. A member of a confederacy.
2. An accomplice in a plot.
   • 18, Thomas Babington Macaulay, chapter 21, in The History of England from the Accession of James the Second, volume (please specify ), London: Longman, Brown, Green, and Longmans, OCLC 1069526323 ↗:

3. (psychology) An actor who participates in a psychological experiment pretending to be a subject but in actuality working for the researcher (also known as a "stooge").

• French: confédéré, confédérée
• Russian: конфедера́т

• Russian: соуча́стник

• Russian: подставное лицо́

confederate

1. of, relating to, or united in a confederacy
2. banded together; allied.
   • c. 1608–1609, William Shakespeare, “The Tragedy of Coriolanus”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act V, scene iii]:

     All the swords / In Italy, and her confederate arms, / Could not have made this peace.

confederate (confederates, present participle confederating; past and past participle confederated)

1. (ambitransitive) To combine in a confederacy.

confederate (not comparable)

1. Of or relating to the Confederate States of America.
2. (Newfoundland) Of or relating to the political movement in favour of Confederation between Newfoundland and Canada.

confederate (plural confederates)

1. A supporter or resident of the Confederate States of America.
2. (Newfoundland) A supporter of Confederation between Newfoundland and Canada.