thunder

1 of 2

noun

thun·​der ˈthən-dər 

1

: the sound that follows a flash of lightning and is caused by sudden expansion of the air in the path of the electrical discharge

2

: bang, rumble

the thunder of big guns

3

: a loud utterance or threat

thunder

2 of 2

verb

thundered; thundering ˈthən-d(ə-)riŋ 

intransitive verb

1

a

: to produce thunder

—usually used impersonally

it thundered

b

: to give forth a sound that resembles thunder

horses thundered down the road

2

: roar, shout

transitive verb

1

: to utter loudly : roar

2

: to strike with a sound likened to thunder

thunderer

ˈthən-dər-ər 

noun

Synonyms of thunder

Verb

• roar
• growl

Examples of thunder in a Sentence

Noun

Her dog is afraid of thunder.

Lightning flashed and thunder boomed.

Suddenly there was a loud clap of thunder.

We could hear the rumble of thunder in the distance.

the thunder of horses' hooves

the distant thunder of cannon fire

She accepted the award to a thunder of applause.

Verb

The sky thundered and the rain poured down.

It was raining and thundering all night.

Guns thundered in the distance.

Horses thundered down the road.

Trucks thundered past on the highway.

“How dare you come into my house!” he thundered.

Recent Examples on the Web

Noun

If the sky turns ominous and thunder can be heard, find a secure place for shelter. —Nc Weather Bot, Charlotte Observer, 7 May 2026

If the sky becomes threatening and thunder can be heard, find a safe place to shelter. —Star-Telegram Weather Bot, Fort Worth Star-Telegram, 6 May 2026

Verb

Rabin’s lyrics had been standard unrequited-love fare; Anderson rewrote them about a deeper spiritual loneliness and the drive to overcome it, and delivered them in his usual manner, the lightness of his tone somehow amplifying the thundering force of his conviction. —Andy Cush, Pitchfork, 9 May 2026

The boom bap volume had been turned to LOUD, the crowd had mobbed every roof, railing and bit of space with even an inch of a view of the ramps, and with every cool trick came the thundering sound of skateboards clattering on the deck in approval from fellow skaters. —Tony Le Calvez, San Diego Union-Tribune, 7 May 2026

Word History

Etymology

Noun

Middle English thoner, thunder, from Old English thunor; akin to Old High German thonar thunder, Latin tonare to thunder

First Known Use

Noun

before the 12th century, in the meaning defined at sense 1

Verb

before the 12th century, in the meaning defined at intransitive sense 1a

Phrases Containing thunder

• a face like thunder
• steal one's thunder
• steal someone's thunder
• thunder egg
• thunder lizard

Rhymes for thunder

• blunder
• bunder
• funder
• plunder
• sunder
• under
• asunder

Kids Definition

thunder

1 of 2 noun

thun·​der ˈthən-dər 

1

: the loud sound that follows a flash of lightning

2

: a noise like thunder

thunder

2 of 2 verb

thundered; thundering -d(ə-)riŋ 

1

a

: to produce thunder

b

: to produce a sound like thunder

horses thundered down the road

2

: to utter loudly

the people thundered their approval

thunderer

-dər-ər 

noun