The 13th sura (chapter) of the Qur'an.

The loud rumbling, cracking, or crashing sound caused by expansion of rapidly heated air around a lightning bolt. / A deep, rumbling noise resembling thunder.

(impersonal) To produce thunder; to sound, rattle, or roar, as a discharge of atmospheric electricity. / (intransitive) To make a noise like thunder.

plural of thunderer

(Britain, informal) The Times newspaper.

One who thunders.

(US, colloquial) An exclamation of surprise, agitation or petulance.

(US, colloquial) In any set of circumstances whatsoever.

simple past tense and past participle of thunder

Used for emphasis, sometimes with a threatening implication.