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" Study the Exact Words Examiners Use Audit Your Own Writing for Lexical Resource Explain New Words Out Loud To Yourself 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