TOEFL IELTS extend Definition To stretch out or increase in length, duration, or scope. Example "They decided to extend the deadline by one week." Sign in to save TOEFL Quiz → IELTS Quiz → ← extant extended → Study tips featuring "extend" 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