Find Antonyms

outboard Antonyms

Opposite of outboard

Because the opposite of outboard shifts with each meaning, the antonyms and opposite words below are separated across 4 exact definitions and ranked by contrast strength.
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• noun (Context 1)

A portable internal-combustion or electric motor with a propeller attached, designed to be mounted externally on the transom at the stern of a small boat.

Usage Example

"He clamped a small inboard to the back of the aluminum fishing skiff."

Strongest
inboard

• adjective (Context 2)

Situated on, mounted on, or projecting beyond the outside of the hull of a boat or ship, or positioned away from the fuselage toward the wingtip of an aircraft.

Usage Example

"The mechanic inspected the aircraft's inboard engine after the flight."

Strongest
inboard
Strong
internal

• adverb (Context 3)

Toward or on the outside of a ship's hull, or away from the centerline of an aircraft or vehicle.

Usage Example

"The auxiliary fuel tanks are mounted inboard beneath the wings."

Strongest
inboard

• noun (Context 4)

A small motorboat powered by an externally mounted motor at the stern.

Usage Example

"Several fast outboards raced across the bay toward the marina."

Strongest
inboard

Similar words to outboard

Words similar to outboard shift depending on context. Common synonyms include:

outboard motor
motorboat
external
speedboat
outer
See all synonyms of outboard

Cite this Entry


Wordmom. (2026). Antonyms for Outboard. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/outboard
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