IELTS whilst Definition While; during the time that; also used to express contrast. Example "Whilst I was cooking, the phone rang." Sign in to save IELTS Quiz → ← whet whim → Study tips featuring "whilst" Audit Your Own Writing to Find Gaps Boost Your IELTS Writing With Precise Vocabulary Related words IELTS sincere GRE abide SAT abnormal TOEFL aboard TOEFL abolition TOEFL abort IELTS abortion SAT abrupt SAT absence TOEFL absent GRE absolute TOEFL absolutely