GRE TOEFL IELTS peak Definition The pointed top of a mountain or the highest point of something. Example "They reached the peak just before sunrise." Sign in to save GRE PDF — $25 TOEFL PDF — $25 IELTS PDF — $25 ← peach pebble → Study tips featuring "peak" TOEFL Academic Vocabulary: Study by Topic Boost Your IELTS Writing With Precise Vocabulary Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant