SAT TOEFL IELTS definite Definition Clearly defined, determined, or established; not vague or doubtful. Example "We need a definite answer by Friday." Sign in to save SAT Quiz → TOEFL Quiz → IELTS Quiz → ← define definitely → Study tips featuring "definite" Spot the Vocabulary Trap in Every Question Audit Your Own Writing to Find Gaps TOEFL Academic Vocabulary: Study by Topic 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