Definitions

jet engine

NOUN

gas airplane engine

Synonyms

WEAK

fanjet pulsejet ramjet reaction engine rocket rocket motor turbofan turbojet turboprop

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The billionaire founder of Amazon.com is co-leading a new AI business called Prometheus, which plans to build an “artificial general engineer” that can design and manufacture complex physical products such as a jet engine.

From The Wall Street Journal • Jun. 11, 2026

Reaching Mach 5 involves the use of a so-called ramjet, which is similar to a traditional jet engine but doesn’t have any moving parts.

From Los Angeles Times • Apr. 7, 2026

If a data center wants to roar like a jet engine all night, that’s the deal.

From Salon • Dec. 28, 2025

It consists of a large jet engine placed on top of a tube the length of a London bus.

From BBC • Dec. 17, 2025

Overhead I hear the sound of a jet engine, and I open my eyes and look up in time to see the plane pass by high in the sky.

From "Counting by 7s" by Holly Goldberg Sloan