SAT antonym Definition A word having a meaning opposite that of another word. Example "The word 'fast' is an antonym of 'slow'." Sign in to save SAT Quiz → ← antler anvil → Study tips featuring "antonym" Map the Author's Attitude Before Reading Questions Stop Skipping Words and Read the Tone Spot the Vocabulary Trap in Every Question Related words SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal SAT abominable