seasickness
🇺🇸
/ˈsiːsɪknəs/
🇬🇧
/ˈsiːsɪknəs/
The discomfort or sickness that you feel when you are on a boat or ship, often causing you to feel like you might vomit.
She had severe seasickness during the boat ride, making her feel very ill.
彼女はボートに乗るときに重度の海酔いになったため、とても体調が悪くなりました。