The word 'seasick' is correct and usable in written English.
You can use it to refer to someone who is feeling ill due to motion sickness, typically from being on a boat or in rough seas. For example, "We had to cut our sailing trip short when John got seasick."
Lashed by sleet on the milk-chocolate waters of the Medway estuary, I was frozen, seasick and desperately unimpressed by the view.
"I wasn't seasick, but my legs were sore.
When the dizzy spells got so bad that I felt seasick every morning, I went to see a doctor in a suburban GP clinic in Goa.
Nelson, the seasick admiral who would surely fail the medical entry tests of any modern navy, still destroyed Britain's rivals afloat, while on land Napoleon plucked men from the lower ranks and made them the marshals who threw the eagle's shadow over a continent.
If you have just graduated summa cum laude from Harvard or Yale, manning a sentry box on the Greek-Turkish border or sharing a ship's cabin with 30 seasick youths seems a waste of time.
Even in placid weather, floating-column structures bob up and down as the sea heaves beneath them, which can make people seasick.
Last week prosecutors charged Leonid Nevzlin, one of Yukos's main shareholders, who now lives in Israel, with conspiracy to murder.Foreign-investment analysts are feeling pretty seasick too.
Time for Beany, starring Beany, a little boy with a propeller cap, and his pal Cecil, a "seasick sea serpent," started as a 15-minute puppet show on a Los Angeles TV station.
That delay, however, was important, for Philip's admiral of the ocean seas, the veteran Álvaro de Bazán, marqués de Santa Cruz, died, and the job of sailing the Armada was given to Alonso Pérez de Guzmán, duque de Medina-Sidonia, who was invariably seasick and confessed that he knew more about gardening than war.
(Motion sickness is often generated by a mismatch between the various inputs signaling orientation within space. People will frequently be seasick if they are below the deck of a boat and the visual system signals no movement while the vestibular system indicates motion).
But they never got seasick – they got drunk instead.
