GRE TOEFL IELTS brilliant Definition Exceptionally clever, talented, or bright in appearance. Example "The diamond sparkled with brilliant light." Sign in to save GRE PDF — $25 TOEFL PDF — $25 IELTS PDF — $25 ← brilliance brilliantly → Study tips featuring "brilliant" 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