IELTS restless Definition Unable to rest or relax; uneasy or agitated. Example "He felt restless and decided to go for a walk at midnight." Sign in to save IELTS Quiz → ← restive restoration → Study tips featuring "restless" 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