flap

1 of 2verb

/flæp/

Forms:flaps,flapping,flapped,flapped

to move with a rapid up-and-down motion

Right now, the laundry on the clothesline is flapping in the gentle breeze.
The windmill blades steadily flapped in the wind, generating renewable energy.
During the storm, the flag outside the window constantly flapped in the gusty wind.

Synonyms:

(of a bird) to rhythmically move its wings in an upward and downward motion, either during flight or in preparation for taking flight

transitive

With a powerful push, the eagle flapped its majestic wings, effortlessly soaring above the mountain peaks.
The robin perched on the branch, observing its surroundings before flapping its wings in a graceful motion
Perched on the wire, the blackbird flapped its wings vigorously.
The parrot playfully flapped its wings, mimicking the motions of flying.

Synonyms:

to express agitation, make a fuss, or become overly concerned or worked up about something

The parent started to flap when they realized their child was running late for school.
The team captain flapped before an important match, giving an impassioned speech to motivate the players.
He tends to flap when he's under pressure, becoming easily agitated and worrying excessively.
The politician flapped during the heated debate, becoming visibly agitated and struggling to articulate their points effectively.

Synonyms:

to move an object or a part of it up and down or to and fro in a rapid or rhythmic manner

transitive

The child flapped the pages of the book rapidly, trying to catch the attention of their parent.
The wind flapped the tent's entrance, causing it to sway back and forth as campers tried to secure it.
She flapped the towel vigorously to remove the excess water.
The actor flapped the cape dramatically during the performance, adding flair to the scene.

Synonyms:

to move one’s arms about in a clumsy or uncontrolled manner while surfing, often due to panic or lack of balance