ballistic

adjective

bal·​lis·​tic bə-ˈli-stik How to pronounce ballistic (audio)
1
: extremely and usually suddenly excited, upset, or angry : wild
He went ballistic when he saw the dent in his car.
and the crowd goes ballistic
2
: of or relating to the science of the motion of projectiles in flight
3
exercise : being or characterized by repeated bouncing
ballistic stretching
4
physics, of an object in motion : behaving like a projectile
But the Bell Labs switch uses such a low current that the few ballistic electrons are a distance of a micrometer or more apart …Robert Pool
5
of a material : capable of resisting or stopping bullets or other projectiles
ballistic glass
ballistic nylon
… engineered specifically to be worn under ballistic vests and shirts.K. M. Reese
ballistically adverb

Examples of ballistic in a Sentence

she went ballistic when she discovered her brother reading her e-mail
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
On sale for 36 percent off, it’s made with slash-proof, ballistic nylon fabric along with pickpocket-deterring zipper locks. Amelia McBride, Travel + Leisure, 14 Mar. 2025 The Thule base became a cornerstone of American missile defense with the completion of a ballistic-missile early-warning station in 1961, and by making strategic targets in the Soviet Union reachable to American bombers. Louise Bokkenheuser, The New Yorker, 11 Mar. 2025 Officers reviewed ballistic evidence and security camera footage and broadcast a description of two suspects fleeing in a motor vehicle. Isabelle Friedman, Boston Herald, 9 Mar. 2025 This one, made from ballistic nylon, has a zippered entry to a padded laptop compartment, a padded mesh back panel, a key leash, plus pen holders and tons of other organizational features. Alesandra Dubin, Travel + Leisure, 8 Mar. 2025 See All Example Sentences for ballistic

Word History

Etymology

borrowed from New Latin ballisticus "relating to the motion of projectiles in flight," from Latin ballista ballista + New Latin -icus -ic entry 1

Note: The Latin word was apparently introduced by the French priest and polymath Marin Mersenne (1588-1648) in Ballistica et acontismologia, a section (with separate title page) of his Cogitata physico-mathematica (Paris, 1644).

First Known Use

1764, in the meaning defined at sense 2

Time Traveler
The first known use of ballistic was in 1764

Browse Nearby Words

Cite this Entry

“Ballistic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ballistic. Accessed 16 Apr. 2025.

Kids Definition

ballistic

adjective
bal·​lis·​tic bə-ˈlis-tik How to pronounce ballistic (audio)
: of or relating to ballistics

More from Merriam-Webster on ballistic

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!