alt left

Noun

alt-left (uncountable)

1. (derogatory) 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.
   • Turner approvingly noted that when The Canary – the doyen of the alt-left media outlets – first launched in late 2015 it was dubbed “the left-wing Daily Mail” by virtue of being written in a way that is accessible to everyone.2017 May 6, Jim Waterson, “The Rise Of The Alt-Left British Media”, in BuzzFeed UK

   Antonyms:

   alt-right

2. (US, derogatory) The part of the political spectrum that is considered too left-wing; the extreme or radical left.
   • The alt-left trolls are not over it - now they decided to bus in protestors to protest against a democratic result. The alt-left media have been slow to bash these undemocratic revolting bussed in peasants.2016 November 24, 7, “The alt-left media cooking up glow ball wumming anti-Trump racket Group”, in alt.global-warming (Usenet)