TOEFL IELTS definitely Definition Without doubt or hesitation; certainly. 日本語 疑問なく、確かに Example "She will definitely attend the conference next week." Sign in to save TOEFL Quiz → IELTS Quiz → ← definite definition → Study tips featuring "definitely" Map Each Word Into a Connected Network Audit Your Own Writing for Lexical Resource Track How TOEFL Words Behave With Others Related words TOEFL brighten GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate GRE abduct SAT abet GRE abhor GRE abide SAT abject TOEFL ablaze