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Definition of motorboat
motorboat
/ˈmoʊ.tərˌboʊt/
mo · tor · boat
Plural:motorboats
•Past Simple:motorboated
•Past Participle:motorboated
•Present Participle:motorboating
motorboat Lexical Profile
CEFR
B1
Grade
4
Tier
2
Usage
Top 10k
motorboat Game Scores & Validity
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• noun
1
A relatively small watercraft propelled by an internal combustion engine or electric motor.
Example
"We rented a small motorboat to explore the hidden coves and inlets along the island's coastline."
Synonyms
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View all antonyms for motorboat• verb
1
To drive, ride in, or travel by means of a motorboat.
Example
"They spent the sunny afternoon motorboating across the vast alpine lake."
Synonyms
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View all antonyms for motorboat• Nearby Words
Word Origin & Etymology
Coined in the late 19th century as a compound of 'motor' and 'boat', emerging alongside the invention and adoption of the internal combustion engine for marine use.
Cite this Entry
Wordmom. (2026). Definition of Motorboat. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/motorboat