adj

outboard

adj

Positioned on the outside of a boat or aircraft, or away from its centerline.

"The mechanic checked the outboard engine before the trip."

noun

A portable motor mounted on the outside of the stern of a small boat.

"He replaced the old outboard with a quieter electric model."

How to Use Outboard

Learner’s notes

In plain EnglishAttached to the outside of a boat or plane, rather than built in — or the boat motor itself.

Common pairings

outboard motor outboard engine

outboards plural

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Can you complete this real example?

The mechanic checked the _____ engine before the trip.

board hoard aboard onboard keyboard cupboard seaboard backboard starboard cardboard surfboard clipboard