[ping-koh]Older Slang: Disparaging.

noun, plural pink·os, pink·oes.

a person with left-wing, but not extreme, political opinions.
a person who leans toward communist ideology.


Origin of pinko

First recorded in 1935–40; pink1 + -o Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for pinko


noun plural -os or -oes mainly US derogatory

a person regarded as mildly left-wing
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

Word Origin and History for pinko

1936, derogatory slang form of pink (n.), used of people whose social or political views "have a tendency toward 'red;' " a metaphor that had existed since at least 1837. As an adjective by 1957.

Online Etymology Dictionary, © 2010 Douglas Harper