TOEFL IELTS aboard Definition On or with a ship, vehicle, or boat Example "We will set sail aboard the luxury liner this afternoon." Sign in to save TOEFL PDF — $25 IELTS PDF — $25 ← abnormal abode → Study tips featuring "aboard" 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