flutter
Americanverb (used without object)
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flutters,
present (3rd person singular)
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fluttered,
past participle, past
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fluttering
present participle
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to wave, flap, or toss about.
Banners fluttered in the breeze.
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to flap the wings rapidly; fly with flapping movements.
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to move in quick, irregular motions; vibrate.
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to beat rapidly, as the heart.
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to be tremulous or agitated.
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to go with irregular motions or aimless course.
to flutter back and forth.
verb (used with object)
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flutters,
present (3rd person singular)
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fluttered,
past participle, past
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fluttering
present participle
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to cause to flutter; vibrate; agitate.
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to throw into nervous or tremulous excitement; cause mental agitation; confuse.
noun
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flutters
plural
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a fluttering movement.
He made little nervous flutters with his hands.
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a state of nervous excitement or mental agitation.
a flutter of anticipation.
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Audio. a variation in pitch resulting from rapid fluctuations in the speed of a recording.
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Chiefly British. a small wager or speculative investment.
verb
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to wave or cause to wave rapidly; flap
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(intr) (of birds, butterflies, etc) to flap the wings
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(intr) to move, esp downwards, with an irregular motion
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(intr) pathol (of the auricles of the heart) to beat abnormally rapidly, esp in a regular rhythm
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to be or make nervous or restless
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(intr) to move about restlessly
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swimming to cause (the legs) to move up and down in a flutter kick or (of the legs) to move in this way
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informal (tr) to wager or gamble (a small amount of money)
noun
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a quick flapping or vibrating motion
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a state of nervous excitement or confusion
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excited interest; sensation; stir
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informal a modest bet or wager
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pathol an abnormally rapid beating of the auricles of the heart (200 to 400 beats per minute), esp in a regular rhythm, sometimes resulting in heart block
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electronics a slow variation in pitch in a sound-reproducing system, similar to wow but occurring at higher frequencies
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a potentially dangerous oscillation of an aircraft, or part of an aircraft, caused by the interaction of aerodynamic forces, structural elastic reactions, and inertia
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swimming See flutter kick
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Also called: flutter tonguing. music a method of sounding a wind instrument, esp the flute, with a rolling movement of the tongue
Usage
What does flutter mean? To flutter is to wave, flap, or toss, usually in reference to wings. The baby robin fluttered its wings as it prepared to fly from the nest for the first time. To flutter is to move in a quick, irregular motion or to vibrate, as when a flag flutters in a small breeze. Often, the difference between flapping and fluttering is that fluttering wings move in an irregular pattern or so fast that you cannot distinguish individual flaps. A flutter is the movement of fluttering, as in The flutter of a hummingbird’s wings is so fast that it creates a buzzing sound. A flutter is also a figurative term that describes a moment of nervousness, such as you might feel before a big exam. Some people describe it as feeling like butterflies fluttering in their stomach. A fluttering stomach is a nervous one, perhaps feeling slightly queasy. Other people describe such a feeling as a fluttering heart, particularly when they feel nervous about someone they have romantic feelings for. This, too, is figurative. In medicine, flutter is used literally to describe an irregular heartbeat, often in the term atrial flutter, which can cause irregular blood flow and different issues in the body. If your heart flutters and it’s not temporary nervousness, you should tell your doctor. Example: I always get a little flutter the night before a performance.
Synonym Usage
See fly 2.
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Participles
Conjugated Forms
Present
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fluttersimple
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flutterssimple
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have flutteredperfect
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has flutteredperfect
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am flutteringprogressive
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are flutteringprogressive
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is flutteringprogressive
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have been flutteringperfect progressive
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has been flutteringperfect progressive
Past
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flutteredsimple
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had flutteredperfect
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was flutteringprogressive
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were flutteringprogressive
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had been flutteringperfect progressive
Future
Etymology
Origin of flutter
First recorded before 1000; Middle English floteren, Old English floterian, frequentative of flotian “to float ”
Explanation
Flutter means to move back and forth rapidly. Flags flutter in the wind. Leaves flutter to the ground. Flutter also exists as a noun—you might feel a flutter in your heart when you're excited. To remember flutter, think of the children's rhyme, "See the butterfly flutter by." Flutter is often paired with "flit," to describe the way that birds and insects fly––they flit and flutter. It can also be used to describe indecision—someone who can't make up their mind might flutter between two choices.
Vocabulary lists containing flutter
Hot to Trot: Animal Ambulation
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The Circuit
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Home of the Brave
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
As the vet administered the euthanasia that ended Cosmo’s suffering, I cooed to him Queen’s “You’re My Best Friend” until his paws didn’t flutter anymore.
From Los Angeles Times ● Jul. 28, 2026
In the capital Hanoi, patriotic red-and-yellow banners flutter from lampposts and traffic lights, extolling the "national festival" where people "eagerly cast ballots".
From Barron's ● Mar. 14, 2026
That’s the scenario posed by a new piece of commentary doing the rounds over the weekend, which has caused quite a flutter online.
From MarketWatch ● Feb. 23, 2026
Pure climbers have calm body language: quiet shoulders, steady hips, legs that flutter on the pedals instead of pounding away.
From The Wall Street Journal ● Oct. 10, 2025
I still got nervous, but after a while, the stomach-twisting nerves that went along with the unknown turned into only a flutter.
From "Hope Springs" by Jaime Berry
An American flag flutters above the red brick building, while merchants cluster and converse outside its entrance.
From The Wall Street Journal ● Aug. 3, 2026
A mud-stained Venezuelan flag, tied to a pole, flutters in the Caribbean breeze.
From Barron's ● Jul. 4, 2026
Investors might want to listen to any flutters in their stomachs ahead of today’s Federal Reserve decision on interest rates.
From MarketWatch ● Oct. 29, 2025
He said he also experienced side-effects like headaches, heart flutters, sore gums, a decrease in his appetite and feeling irritable.
From BBC ● Jun. 16, 2025
His trousers hang loosely, his white collared shirt flutters about, so thin he has grown.
From "The Boy Who Dared" by Susan Campbell Bartoletti
Two days later, thousands of Scots returned for Pride Night as the Toronto Blue Jays fluttered into town.
From BBC ● Jun. 18, 2026
Blue-and-white Israeli flags fluttered in the wind, as mourners held the young lieutenant's portrait alongside a homemade banner reading: "We will remember forever."
From Barron's ● Nov. 11, 2025
My heart fluttered so quickly and irregularly it made me see spots, landing me in the hospital for monitoring.
From The Wall Street Journal ● Oct. 23, 2025
The album covers fluttered like the display on a slot machine.
From Slate ● Aug. 4, 2025
The grassy slopes were crowded with seabirds, who stared and screeched and nervously fluttered their wings as the robot hiked by.
From "The Wild Robot Protects" by Peter Brown
"With atypical absences that last longer, people may have automatic movements like fidgeting with their hands, eyelid fluttering and lip smacking. Some people may fall."
From BBC ● Aug. 19, 2026
“If I’m giving a gift … I just think there’s something more personal for them opening a card and having that piece of paper come fluttering out,” Bell said.
From MarketWatch ● Jul. 9, 2026
Geishas, known as geikos in Kyoto, and apprentices called maikos have been donning elaborate costumes and fluttering fans since the Miyako Odori -- or "capital city dance" -- first started in 1872.
From Barron's ● Apr. 3, 2026
The composition is utterly still, devoid of human presence and enlivened only by fluttering harbor flags and the canvas’s scintillating pinpoints of color.
From The Wall Street Journal ● Mar. 28, 2026
Once, when they were in a meeting, he sent a note fluttering down to her: “My dearest—I sit here studying your features. You are perfectly beautiful!!”
From "The Woman All Spies Fear" by Amy Butler Greenfield
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
