Pronunciation (UK) IPA (key): /vaɪˈbreɪt/ (US) IPA (key): /ˈvaɪ.breɪt/ Audio (US)(file) Verb Plain form vibrate Third-person singular vibrates Past tense vibrated Past participle vibrated Present participle vibrating (intransitive) If something is vibrating, it is moving repeatedly with small, rapid movements. Synonym: resonate The train vibrated when it switched tracks at a railroad crossing. (transitive) If something is vibrating, it is affect by a vibratory motion. His voice vibrated with terror. Related words vibrationWikiwand - on Seamless Wikipedia browsing. On steroids.