FluentPlex

flutter

/ˈflʌtɚ/ verb B2
  1. To flap or wave quickly but irregularly. (intransitive) · flags fluttering in the wind
  2. Of a winged animal: to flap the wings without flying; to fly with a light flapping of the wings. (intransitive)
  3. To undergo divergent oscillations (potentially to the point of causing structural failure) due to a positive feedback loop between elastic deformation and aerodynamic forces. (intransitive)
  4. To cause something to flap. (transitive) · A bird flutters its wings.
  5. To drive into disorder; to throw into confusion. (transitive)
  6. To be in a state of agitation or uncertainty. (intransitive)
  7. To subject to a lie detector test. (slang)

He/she/it flutters · Past fluttered · Past participle fluttered · -ing form fluttering

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Verb forms

Base form
flutter
He/she/it
flutters
Past
fluttered
Past participle
fluttered
-ing form
fluttering

From the library

Banks of gorgeous flowers were on every hand, and birds with rare and brilliant plumage sang and fluttered in the trees and bushes.
The Wonderful Wizard of Oz, p. 5 · B2
Growing from her shoulders were wings, gorgeous in color and so light that they fluttered if the slightest breath of air reached them.
The Wonderful Wizard of Oz, p. 71 · B2
He flew around with a great whir of his wings and settled upon a large ram, with the intention of carrying him off, but his claws became entangled in the ram’s fleece and he was not able to release himself, although he fluttered with his feathers as much as he could.
Three Hundred Aesop's Fables, p. 88 · B2
“You see,” continued he, glancing toward the grate, where fragments of burnt paper fluttered in the flames, “the letter is destroyed; you and I alone know of its existence; should you, therefore, be questioned, deny all knowledge of it—deny it boldly, and you are saved.”
The Count of Monte Cristo, p. 68 · C1

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Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.