SAT GRE TOEFL IELTS mandatory Definition Required by law or rule; compulsory. 中文 法律或规则要求的；强制性的。 Example "Wearing a seatbelt is mandatory in most states." Sign in to save SAT Quiz → GRE Quiz → TOEFL Quiz → IELTS Quiz → ← mandate maneuver → Study tips featuring "mandatory" Let the Argument Reveal Unfamiliar Word Meanings Study the Exact Words Examiners Use Group Words Together by Emotional Tone 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