Meaning & use

flap

noun·Everyday

Last updated

A flat piece of material attached along one edge that can hang loose or cover an opening.

See it in a sentence

The dog pushed through the flap in the door to get outside.

She sealed the envelope by licking the flap and pressing it down.

A note on using this word

In British informal English, "in a flap" describes a state of nervous agitation or panic, e.g., "Don't get in a flap about the exam."

Words with a similar meaning

coverfold

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

Another way to use it

2. verb

To move up and down or from side to side, especially with a beating sound.

The bird flapped its wings frantically to stay airborne.

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