popular front

American

noun

a coalition, usually temporary, of leftist and sometimes centrist political parties, formed against a common opponent, as fascism, and promoting social reform.
any similar political coalition formed to achieve short-term goals.

popular front British

noun

(often capital) any of the left-wing groups or parties that were organized from 1935 onwards to oppose the spread of fascism

"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 popular front

1935–40; compare Spanish frente popular, French front populaire

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023