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attainder

American  
[uh-teyn-der] / əˈteɪn dər /

noun

  1. the legal consequence of judgment of death or outlawry for treason or felony, involving the loss of all civil rights.

  2. Obsolete. dishonor.


attainder British  
/ əˈteɪndə /

noun

  1. (formerly) the extinction of a person's civil rights resulting from a sentence of death or outlawry on conviction for treason or felony See also bill of attainder

  2. obsolete dishonour

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of attainder

First recorded in 1425–75; late Middle English attaynder, atteindor, noun use of Old French ataindre, ateindre “to attain, touch (upon), affect, convict”; attain

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And the Supreme Court may not see this law as a bill of attainder either.

From Slate • Jul. 29, 2025

A bill of attainder is an unconstitutional legislative act that singles out an individual or group for punishment without a trial.

From Fox News • Apr. 8, 2019

There are two other constitutional questions: First, the Constitution prohibits bills of attainder, laws that target specific individuals.

From Slate • Apr. 17, 2018

A bill of attainder is a legislative act that provides for the punishment of a person without a court trial.

From Textbooks • Jan. 1, 2016

A bill of attainder is a law convicting an accused person without a trial, and imposing on him the penalties of treason.

From Government in the United States National, State and Local by Garner, James Wilford