Definitions

1. adjective

Having no engine or engine power, especially a vehicle or machine.

“The engineless sailboat relied on the wind for propulsion.”

2. adjective

Lacking a driving force or power.

“The engineless economic growth of the past year was a concern for the government.”

3. noun

A vehicle or machine that is driven or powered by an engine or by human or animal power.

“The city’s engineless transportation system was a major obstacle to development.”