alt-left noun2 •(disapproving) A political movement whose supporters hold extreme left-wing views and reject mainstream politics. It's a purported political faction espousing an extreme leftist ideology, or one espousing liberal ideology but using extreme, antiestablishment messaging.According to the Skwawkbox, the excitable alt-left blog, he is “Labour’s media man on fire” – and he has “interviewers feeling the burn”. — 2017 •(US, disapproving) The part of the political spectrum that is considered too left-wing; the extreme or radical left.
