TOEFL IELTS formerly Definition In the past; at a previous time. Example "The building was formerly a library before being converted into offices." Sign in to save TOEFL PDF — $25 IELTS PDF — $25 ← former formidable → Study tips featuring "formerly" 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