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Definition of seasickness

seasickness

/ˈsiːˌsɪk.nəs/
sea · sick · ness
Adjective:seasick
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seasickness Lexical Profile

seasickness Game Scores & Validity

• noun

1

A form of motion sickness characterized by nausea, dizziness, and vomiting, caused by the pitching and rolling motion of a boat or ship at sea.

Example

"Staring at the distant horizon on the upper deck helped alleviate her seasickness during the rough ferry crossing."

Synonyms
View all synonyms for seasickness

• Nearby Words

seashell
seashore
seasick
seasickness
seaside
season
seasonable

Word Origin & Etymology

Formed in Middle English as a compound of "seasick" (from Old English "sæseoc") and the noun-forming suffix "-ness". Curiously, our modern medical term "nausea" shares the exact same conceptual origin, deriving from the Ancient Greek word "naus" meaning "ship".

Cite this Entry

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