ballistic

adjective

bal·​lis·​tic bə-ˈli-stik How to pronounce ballistic (audio)
Synonyms of ballisticnext
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.
As the head of ATF Chicago, I, Christopher, have seen firsthand that by leveraging technology such as ballistic evidence, law enforcement can identify the true drivers of violence to intervene early and disrupt the violence cycle. Andrew S. Boutros, Chicago Tribune, 29 Apr. 2026 One Secret Service officer was shot in the chest, but was wearing a ballistic vest that worked. Josh Meyer, USA Today, 29 Apr. 2026 Prosecutors said nothing about the Secret Service officer who Blanche said was shot in his ballistic vest during the incident — adding to speculation that the officer may have been shot not by Allen, but by a fellow officer, or not at all. Kevin Rector, Los Angeles Times, 29 Apr. 2026 Moscow has stepped up its ballistic-missile attacks across the country, triggering deaths and mayhem. Sudarsan Raghavan, New Yorker, 28 Apr. 2026 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

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Cite this Entry

“Ballistic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ballistic. Accessed 1 May. 2026.

Kids Definition

ballistic

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

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