flail

1 of 2

noun

ˈflāl 

: 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

Synonyms

Verb

• beat
• flap
• flop
• flutter
• whip

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

Verb

In Get Him to the Greek, the 2010 sequel to Forgetting Sarah Marshall produced by Judd Apatow, Russell Brand reprised his role as Aldous Snow, a British rockstar looking to revive his flailing career. —Shyla Watson, People.com, 25 Oct. 2024

The expectation that hosts will participate in the sketches after an opening monologue has saved countless guests from flailing like Carlin did. —Meredith Blake, Los Angeles Times, 18 Oct. 2024

That’s all backed up by the most agile chassis in the class, capable of whisking the X3 through escape routes the others would flail to reach. —Michael Taylor, Forbes, 15 Oct. 2024

On the morning of May 13, she was roused by his flailing limbs. —Max Blau, ProPublica, 8 Sep. 2024

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

Kids Definition

flail

1 of 2 noun

ˈflā(ə)l 

: 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

ˈflā(ə)l 

: exhibiting abnormal mobility and loss of response to normal controls

—used of body parts damaged by paralysis, injury, or surgery

flail joint