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 PDF — $25 ← restive restoration → Study tips featuring "restless" 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