flail

1 of 2

noun

: a hand threshing implement consisting of a wooden handle at the end of which a stouter and shorter stick is so hung as to swing freely

flail

2 of 2

verb

flailed; flailing; flails

transitive verb

1
a
: to strike with or as if with a flail
The bird's wings flailed the water.
b
: to move, swing, or beat as if wielding a flail
flailing a club to drive away the insects
2
: to thresh (grain) with a flail

intransitive verb

: to move, swing, or beat like a flail
arms flailing in the water

Examples of flail in a Sentence

Verb They were flailing their arms to drive away the insects. The wounded animal lay on the ground, flailing helplessly. He was wildly flailing about on the dance floor. The bird's wings flailed the water.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
As readers spent more time online, magazines reliant on print ads were flailing. Steven Kurutz, New York Times, 28 Mar. 2025 With his quirky lisp, wacky energy, and tinny vocal quiver, Carrey's cable guy Chip flails around against the backdrop of a psychedelic karaoke screen, hip-thrusting and shimmying his way across a house party as the elderly crowd gets their groove on. Ew Staff Published, EW.com, 20 Mar. 2025 As such, physics puzzler Heavenly Bodies is often a game of flailing noodle limbs and intrepid spacemen drifting out into the inky abyss. Lewis Gordon, Vulture, 19 Mar. 2025 With the Heat only now getting to explore the possibilities of Kyle Anderson, including a solid performance amid flailing by teammates in Saturday night’s loss to the Memphis Grizzlies at the start of this two-game trip, comes a backstory like few others on Erik Spoelstra’s roster. Ira Winderman, Sun Sentinel, 17 Mar. 2025 See All Example Sentences for flail

Word History

Etymology

Noun and Verb

Middle English fleil, flail, partly from Old English *flegel (whence Old English fligel), from Late Latin flagellum flail, from Latin, whip & partly from Anglo-French flael, from Late Latin flagellum — more at flagellate

First Known Use

Noun

before the 12th century, in the meaning defined above

Verb

15th century, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of flail was before the 12th century

Browse Nearby Words

Cite this Entry

“Flail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flail. Accessed 1 Apr. 2025.

Kids Definition

flail

1 of 2 noun
: a tool for threshing grain by hand

flail

2 of 2 verb
1
: to strike with or as if with a flail
2
: to move or wave about as if swinging a flail
flailed their arms

Medical Definition

flail

adjective
: exhibiting abnormal mobility and loss of response to normal controls
used of body parts damaged by paralysis, injury, or surgery
flail joint

More from Merriam-Webster on flail

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!