IELTS sincere Definition Free from pretense or deceit; genuinely felt or expressed. Example "She gave a sincere apology for her mistake." Sign in to save IELTS PDF — $25 ← simultaneous sinecure → Study tips featuring "sincere" Boost Your IELTS Writing With Precise Vocabulary Related words TOEFL brighten IELTS startle GRE abide SAT abnormal TOEFL aboard TOEFL abolition IELTS upward TOEFL abort IELTS abortion SAT abrupt SAT absence TOEFL absent