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 PDF — $25 GRE PDF — $25 TOEFL PDF — $25 IELTS PDF — $25 ← mandate maneuver → Study tips featuring "mandatory" TOEFL Academic Vocabulary: Study by Topic How Context Clues Save You on the SAT Boost Your IELTS Writing With Precise Vocabulary 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