Search Dictionary
Definition of flap

flap

/flæp/
flap

Plural:flaps
•
Past Simple:flapped
•
Past Participle:flapped
•
Present Participle:flapping
JUMP TO:

flap Lexical Profile

flap Game Scores & Validity

• noun

1

A piece of thin material, such as cloth, paper, or skin, hinged or attached on one side and hanging loose or covering an opening.

Example

"She sealed the envelope tightly after tucking in the flap."


2

A single motion of something broad and loosely attached beating back and forth, or the sound produced by this motion.

Example

"With a sudden flap of its enormous wings, the heron took to the sky."


3

A state of panic, agitation, or anxious confusion.

Example

"The organizers were in a terrible flap when the keynote speaker arrived an hour late."

Synonyms
View all synonyms for flap
Antonyms
View all antonyms for flap

• verb

1

To move (something broad or flat, especially wings) up and down or from side to side.

Example

"The crow flapped its wings vigorously before gaining enough altitude to clear the trees."


2

To swing or wave loosely back and forth, often producing a sharp sound, like a flag in the wind.

Example

"The sails began to flap violently as the wind rapidly changed direction."


3

British To become agitated, panicked, or excessively worried over a minor issue.

Example

"There is no need to flap; we still have plenty of time to catch the train."

Synonyms
View all synonyms for flap
Antonyms
View all antonyms for flap

• Rhymes for flap

Word Origin & Etymology

From Middle English flappen, likely of imitative origin, mimicking the sudden, sharp sound of a broad object striking against a surface.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Flap. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/flap
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.