Wiktionary
a. Opposed to the tenets of fascism. n. A person opposed to the tenets of fascism.
Usage examples of "antifascist".
He was moved from one PW camp to the next and finally found peace in an English camp for antifascist prisoners, for along with the usual guardhouse peccadilloes the reason for his demotion was noted in his paybook.
MATERN: As an antifascist, I protest forcefully against this association of unrelated and purely fortuitous factors.
So far we know that on the one hand the topic under discussion, who likes to speak of himself as an antifascist and philo-Semite, protected his friend, the half-Jew Eddi Amsel, from the persecutions of ignorant children, and on the other hand insulted him by calling him a sheeny.
A biographical sketch in the journal Cahiers du Cinema asserted that his father, a worker in a textile plant and a militant antifascist, was killed in that city during the fiercest street fighting of the civil war.
Their zealous - if delayed - support for war with Hitler provided sufficient basis for Communists to begin calling themselves "antifascists," as if they had been any more antifascist than Senator Strom Thurmond, who helped liberate Buchenwald (the site of some atrocities denied at The Nation).
We, with our penitential pilgrimages to Buchenwald, refused to write advertising copy for Coca-Cola because we were antifascists.