TOEFL IELTS portion Definition A part or share of a whole. Example "He ate only a small portion of the pie." Sign in to save TOEFL Quiz → IELTS Quiz → ← portfolio portrait → Study tips featuring "portion" Study the Exact Words Examiners Use Map Each Word Into a Connected Network Audit Your Own Writing for Lexical Resource 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