- 1[intransitive, transitive] to move lightly and quickly; to make something move in this way Flags fluttered in the breeze. Her eyelids fluttered but did not open. flutter something He fluttered his hands around wildly. (figurative) She fluttered her eyelashes at him (= tried to attract him in order to persuade him to do something).
- 2[intransitive, transitive] flutter (something) when a bird or an insect flutters its wings, or its wings flutter, the wings move lightly and quickly up and down
- 3[intransitive] + adv./prep. (of a bird or an insect) to fly somewhere moving the wings quickly and lightly The butterfly fluttered from flower to flower.
- 4 [intransitive] (of your heart, etc.) to beat very quickly and not regularly I could feel a fluttering pulse. (figurative) The sound of her voice in the hall made his heart flutter. (figurative) He felt his stomach flutter (= he felt nervous) when they called his name.
NAmE//ˈflʌt̮ər//Verb Forms present simple I / you / we / they flutter
he / she / it flutters
past simple fluttered
-ing form fluttering