noun
[noncount] :the very loud sound that comes from the sky during a storm :the sound that follows a flash of lightning
[singular] :a loud noise that sounds like thunder
a face like thunder
Brit :a face that looks very angry
steal someone's thunder
to prevent someone from having success or getting a lot of attention, praise, etc., by doing or saying whatever that person was planning to do or say
verb
-ders; -dered; -dering
[no obj] :to produce thunder
[no obj]
to make a loud sound like the sound of thunder
b always followed by an adverb or preposition :to move in a way that makes a very loud sound
[+ obj] :to shout (something) very loudly