TOEFL predominantly Definition For the most part; mainly. 한국어 주로, 대부분 Example "The audience was predominantly young adults." Sign in to save TOEFL PDF — $25 ← predominant predominate → Study tips featuring "predominantly" TOEFL Academic Vocabulary: Study by Topic 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