English Reference

Word

projectile

Phoneticspro·jec·tile

US/pɹəˈdʒɛktaɪɫ/

UK/pɹədʒˈɛktaɪl/

Definition

n. an object that is thrown or shot through the air with force. It can be anything from a ball to a bullet.

n. an object propelled through space by the application of an external force, continuing in motion by its own inertia. Often used in technical contexts to describe missiles, shells, or objects in ballistic flight.

Examples

“The stone became a projectile when he threw it.”

“Safety goggles are required in the lab to protect your eyes from any stray projectile during the experiment.”

“In physics, the path of a projectile is determined by its initial velocity and the influence of gravity, resulting in a predictable parabolic trajectory when air resistance is negligible.”

Examples

simple

“The stone became a projectile when he threw it.”

contextual

“Safety goggles are required in the lab to protect your eyes from any stray projectile during the experiment.”

complex

“In physics, the path of a projectile is determined by its initial velocity and the influence of gravity, resulting in a predictable parabolic trajectory when air resistance is negligible.”

Usage

Commonly used as a modifier in the phrase 'projectile vomiting' to describe a forceful medical symptom.

Real-World Examples

“UN peacekeeping force recorded an average of 137 projectiles fired daily in the region over the last two weeks.”
Al Jazeera · 17 Aug 2026
“The activity marks a sharp escalation from the previous weekend, when 113 projectiles – then the highest daily count since 21 June – had been recorded.”
UN News · 10 Aug 2026

Etymology

From Medieval Latin prōiectilis (“projectile”), from Latin prōiectus, perfect passive participle of prōiciō (“throw forth; extend; expel”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Collocations

projectiles into south

Domain

Physics

This entry

Level
C1 · Advanced
Frequency
Frequent
Updated

Scan code

englishreference.com/q/projectile

English Reference