[ dahy-nuh-mahyt ]
/ ˈdaɪ nəˌmaɪt /
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See synonyms for: dynamite / dynamited / dynamiting on Thesaurus.com


a high explosive, originally consisting of nitroglycerin mixed with an absorbent substance, now with ammonium nitrate usually replacing the nitroglycerin.
any person or thing having a spectacular effect.

verb (used with object), dy·na·mit·ed, dy·na·mit·ing.

to blow up, shatter, or destroy with dynamite:Saboteurs dynamited the dam.
to mine or charge with dynamite.


Informal. creating a spectacular or optimum effect; great; topnotch: a dynamite idea; a dynamite crew.



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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

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Origin of dynamite

From Swedish dynamit, introduced by Alfred Bernhard Nobel, its inventor in 1867; see dynam-, -ite1


dy·na·mit·er, noundy·na·mit·ic [dahy-nuh-mit-ik], /ˌdaɪ nəˈmɪt ɪk/, adjectivedy·na·mit·i·cal·ly, adverbun·dy·na·mit·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for dynamite

British Dictionary definitions for dynamite

/ (ˈdaɪnəˌmaɪt) /


an explosive consisting of nitroglycerine or ammonium nitrate mixed with kieselguhr, sawdust, or wood pulp
informal a spectacular or potentially dangerous person or thing


(tr) to mine or blow up with dynamite

Derived forms of dynamite

dynamiter, noun

Word Origin for dynamite

C19 (coined by Alfred Nobel): from dynamo- + -ite 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for dynamite

[ dīnə-mīt′ ]

A powerful explosive used in blasting and mining. It typically consists of nitroglycerin and a nitrate (especially sodium nitrate or ammonium nitrate), combined with an absorbent material that makes it safer to handle.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.