TOEFL IELTS vigor Definition Physical strength, energy, or forcefulness. Example "She completed the hike with remarkable vigor despite the heat." Sign in to save TOEFL PDF — $25 IELTS PDF — $25 ← vignette vigorous → Study tips featuring "vigor" TOEFL Academic Vocabulary: Study by Topic Boost Your IELTS Writing With Precise Vocabulary 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