Breadcrumb Home > Thesaurus > O Synonyms of offsider Find synonyms for: Adjective 1. offside (vs. onside), offsides usage: illegally beyond a prescribed line or area or ahead of the ball or puck; "the touchdown was nullified because the left tackle was offside" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of offsider (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: apotheosis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language