/ Thesaurus / N Synonyms of night rider Find synonyms for: Noun1. night rider, nightrider, attacker, aggressor, assailant, assaulterusage: member of a secret mounted band in United States South after the American Civil War; committed acts of intimidation and revengeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language