Breadcrumb Home > Thesaurus > S Synonyms of standby Find synonyms for: Noun 1. standby, thing usage: something that can be relied on when needed 2. understudy, standby, actor, histrion, player, thespian, role player usage: an actor able to replace a regular performer when required Adjective 1. standby, secondary (vs. primary) usage: ready for emergency use; "a standby generator"; "a standby crew" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of standby (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: parallax Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language