TOEFL rider Definition A person who rides a horse, bicycle, or other vehicle. Example "The bike rider wore a helmet for safety." Sign in to save TOEFL PDF — $25 ← riddle ridge → Study tips featuring "rider" TOEFL Academic Vocabulary: Study by Topic 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