SAT GRE TOEFL onus Definition A burden or responsibility for something. 日本語 責任 Example "The onus is on the defense to prove the accused's innocence." Sign in to save SAT Quiz → GRE Quiz → TOEFL Quiz → ← onslaught ooze → Study tips featuring "onus" Map Each Word Into a Connected Network Map the Author's Attitude Before Reading Questions Force Contrast Between Two Similar Words Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal