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.
Origin of popular front
1935–40; compare Spanish frente popular, French front populaire
Also called people's front.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for popular front
(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