Curtains that fluttered in the breeze.
A bird flutters its wings.
An example of to flutter is how the hummingbird's wings move.
An example of flutter is how a group of friends feel after finding out two unlikely members of that group become romantically involved.
Everyone was in a flutter over the news that the director was resigning.
The flutter of a fan.
My heart fluttered wildly.
A flag fluttering in the wind.
Origin of flutter
- Middle English floteren from Old English floterian pleu- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition