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Definition of inboard

inboard

/ˈɪn.bɔːrd/
in · board

Plural:inboards
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inboard Lexical Profile

inboard Game Scores & Validity

• adjective

1

Situated within the hull or body of a boat, aircraft, or vehicle, or positioned closer to its longitudinal center line.

Example

"The yacht is powered by a reliable inboard diesel engine rather than an external motor."

• adverb

1

Inside or toward the center line of a ship, aircraft, or vehicle.

Example

"To improve aerodynamics and reduce unsprung weight, the race car's brakes were mounted further inboard."

• noun

1

An engine mounted inside the hull of a boat, or a motorboat equipped with such an engine.

Example

"For wakeboarding and waterskiing, many enthusiasts prefer the steady wake of a traditional inboard."

• Rhymes for inboard

Word Origin & Etymology

First recorded in the early 18th century as a nautical term combining 'in' and 'board' (in the sense of a ship's side), originally denoting equipment or cargo positioned within the hull rather than projecting over the sides.

Cite this Entry


Wordmom. (2026). Definition of Inboard. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/inboard
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