English Reference
noun · adjective · verb

confederate

n. · adj. · v.
US /kənˈfɛdɝˌeɪt/ con·fed·er·ate UK spelling confederated, confederates, confederating

  1. 01 C1 Advanced Formal

    n.someone who helps another person do something, especially something secret or illegal.

    n.an accomplice or associate in a plot, conspiracy, or criminal enterprise.

    Simple

    The thief had a confederate inside the bank who left the back door unlocked.

    In context

    Investigators believe the hacker did not act alone but was assisted by a confederate with high-level access to the server room.

    Usage

    Often used in legal or investigative contexts to describe a secret partner in a crime.

  2. 02 C1 Advanced Technical Science

    n.a person in a psychology study who pretends to be a participant but actually works for the researcher.

    n.an actor or assistant who participates in a psychological experiment while pretending to be a subject, used to manipulate the social environment.

    Simple

    In the famous study, the confederate gave the wrong answer to see if the real student would agree.

    In context

    The validity of the social pressure experiment relied on the confederate maintaining a perfectly neutral expression while delivering the scripted lines.

    Usage

    Commonly used in academic papers and social psychology textbooks.

  3. 03 B2 Upper Intermediate American English

    n.a person who lived in or fought for the Southern states during the American Civil War.

    n.a citizen, soldier, or supporter of the Confederate States of America during the American Civil War (1861–1865).

    Simple

    The museum displayed a uniform worn by a young confederate during the war.

    In context

    Historians continue to debate the motivations of the average confederate, balancing regional loyalty against the defense of the institution of slavery.

    Usage

    Usually capitalized (Confederate) when referring to this specific historical context.

    southernerrebel
  4. 04 C1 Advanced Formal

    adj.joined together in a group or alliance for a common goal.

    adj.united in a league, alliance, or confederacy; banded together for a mutual purpose.

    Simple

    The confederate tribes met once a year to discuss trade and defense.

    In context

    The confederate states struggled to maintain a unified foreign policy while preserving their individual local laws.

    Usage

    Often describes political or military groups that maintain significant independence while working together.

  5. 05 C2 Proficiency Formal

    v.to join together with other people or states to form a group.

    v.to unite persons, groups, or states in a league or confederacy.

    Simple

    The small kingdoms decided to confederate to protect themselves from the empire.

    In context

    The colonies eventually chose to confederate, though the process of drafting a shared constitution took several years of negotiation.

    Usage

    This verb is often used in the passive voice or as a reflexive action.

One of the most obvious elements the report cited is that the arch would break alignment among the Lincoln Memorial, Memorial Bridge and Arlington House, which was the Confederate general Robert E Lee’s home.

The Guardian· 28 Aug 2026
This entry
Level C1 · Advanced
Frequency Frequent
Updated