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American Civil Liberties Union

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noun
  1. an organization founded in 1920 to defend the civil rights of all U.S. citizens. Abbreviation: ACLU, A.C.L.U.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
american civil liberties union in Culture

American Civil Liberties Union

An organization founded in 1920 in the wake of the red scare to defend civil liberties. The ACLU has often defended the rights of individuals aligned with unpopular causes, including American communists and Nazis.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.