lash

1 of 3

verb (1)

ˈlash 

lashed; lashing; lashes

intransitive verb

1

: to move violently or suddenly : dash

2

: to thrash or beat violently

rain lashed at the windowpanes

3

: to make a verbal attack or retort

—usually used with out

transitive verb

1

a

: to whip or fling about violently

the big cat lashed its tail about threateningly

b

: to strike or beat with or as if with a whip

waves lashed the shore

2

a

: to assail with stinging words

b

: drive, whip

lashed them into a fury with his fiery speech

lash

2 of 3

noun

1

a(1)

: a stroke with or as if with a whip

(2)

: the flexible part of a whip

also : whip

b

: punishment by whipping

2

: a beating, whipping, or driving force

3

: a stinging rebuke

4

: eyelash

5

: the clearance or play between adjacent movable mechanical parts

lash

3 of 3

verb (2)

lashed; lashing; lashes

transitive verb

: to bind with or as if with a line

Synonyms

Verb (1)

• whip
• hide
• slash
• flick
• leather
• slap

Noun

• blow
• slap
• thump
• punch
• swipe
• stroke
• hit
• whack
• thud
• knock
• smack
• spank
• pound
• poke
• lick
• bang
• beat
• slam

Examples of lash in a Sentence

Verb (1)

the cat's tail nervously lashed the table leg

all night long sheets of rain lashed the windows

Noun

They gave the sailor 50 lashes for disobeying orders.

The disobedient sailors were threatened with the lash.

Recent Examples on the Web

Verb

How Tehran’s theocracy responds in the weeks and months ahead, whether that means lashing out or trying to rebuild its hobbled economy at home, will be crucial. —Jason Ma, Fortune, 12 Oct. 2025

Strong, prolonged damaging wind gusts of 40 to 55 mph will continue to lash the coast as the storm crawls north through Monday. —Dakin Andone, CNN Money, 12 Oct. 2025

Noun

Makeup artist Saisha Beecham lined her eyes in black, adding even more shape and definition to her long lashes. —Essence, 10 Oct. 2025

Unlike most waterproof formulas that can leave lashes feeling stiff or flaky, this one keeps them soft and lifted while delivering major volume. —Lily Wohlner, Allure, 8 Oct. 2025

Word History

Etymology

Verb (1)

Middle English

Verb (2)

Middle English lasschyn to lace, from Anglo-French lacer, lasser — more at lace

First Known Use

Verb (1)

14th century, in the meaning defined at intransitive sense 1

Noun

14th century, in the meaning defined at sense 1a(1)

Verb (2)

1624, in the meaning defined above

Phrases Containing lash

• lash-up
• the lash
• tongue-lash

Rhymes for lash

• ash
• bash
• brash
• cache
• cash
• clash
• crash
• dash
• flash
• gash
• hash
• mash

Kids Definition

lash

1 of 3 verb

ˈlash 

1

: to move violently or suddenly

2

: to strike with or as if with a whip

3

: to attack with strong language

—usually used with out

lashed out at his sister

lash

2 of 3 noun

1

a

: a stroke with a whip or switch

b

: the flexible part of a whip

also : whip entry 2 sense 1

2

: a beating, whipping, or driving force

3

: eyelash

lash

3 of 3 verb

: to tie down with a rope, cord, or chain

lasher noun

Etymology

Verb

Middle English lassen "to move violently or suddenly"

Verb

Middle English lasschen "to lace," from early French lacer (same meaning), derived from Latin laqueare "to snare, catch in a noose," from laqueus "noose, snare" — related to lace, lasso entry 1 see Word History at lace

Medical Definition

lash

noun

ˈlash 

: eyelash