ballistic

adjective

bal·​lis·​tic bə-ˈli-stik 

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

bə-ˈli-sti-k(ə-)lē 

adverb

Synonyms of ballistic

• angry
• mad
• indignant
• furious
• enraged
• outraged
• infuriated
• angered
• rabid
• infuriate

Examples of ballistic in a Sentence

she went ballistic when she discovered her brother reading her e-mail

Recent Examples on the Web

These new surrogates are essential as plastic, metal, or ballistic gel are not great at simulating living tissue when exposed to things like radiation. — Christopher McFadden, Interesting Engineering, 25 July 2026

Tehran has provided the group with sea mines, ballistic and cruise missiles, as well as unmanned aerial vehicles (UAVs, or drones), according to a 2021 report from the Center for Strategic and International Studies. — Billy Stockwell, CNN Money, 24 July 2026

The only injury that evening was to Secret Service officer Victor Gonzales, who was struck by a bullet during the crossfire but was wearing a ballistic vest and was not seriously injured. — Joseph Konig, PEOPLE, 24 July 2026

The suspect in the shooting at the April dinner, Cole Tomas Allen, was subdued a floor above the ballroom after allegedly shooting a Secret Service officer in his ballistic vest while running through a security checkpoint. — Bart Jansen, USA Today, 24 July 2026

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

Phrases Containing ballistic

• ballistic missile
• go ballistic

Rhymes for ballistic

• artistic
• autistic
• cladistic
• heuristic
• holistic
• linguistic
• logistic
• monistic
• patristic
• sadistic
• simplistic
• sophistic

Kids Definition

ballistic

adjective

bal·​lis·​tic bə-ˈlis-tik 

: of or relating to ballistics