IELTS startle Definition To suddenly surprise or alarm someone. Example "The loud noise made me startle and drop my book." Sign in to save IELTS Quiz → ← stark starvation → Study tips featuring "startle" Stop Skipping Words and Read the Tone Related words TOEFL brighten GRE abide SAT abnormal TOEFL aboard TOEFL abolition IELTS upward TOEFL abort IELTS abortion SAT abrupt SAT absence TOEFL absent GRE absolute