thunder Definition

thunder
noun

1. A deep rumbling or loud cracking sound heard after a flash of lightning, due to the lightning causing gases in the atmosphere to expand suddenly.

Thesaurus: clap, cracking, rumbling, boom, crash, detonation, explosion, pealing, roll.
2. A loud deep rumbling noise.

verb thundered, thundering

intr
1. Said of thunder: to sound or rumble.
intr
2. To make a noise like thunder while moving.

Example: tanks thundering over a bridge
3. To say or utter something in a loud, often aggressive, voice.

Thesaurus: roar, shout, threaten, bellow, blast, rail, curse, denounce, explode, yell, bark.

Derivative: thundery
adj

Idiom: steal someone's thunder

See under steal.

Etymology: Anglo-Saxon thunor.