IPA: /ˈnɔːʃəsli/
KK: /ˈnɔːʃəsli/
In a way that causes a feeling of sickness or discomfort in the stomach.
She felt nauseously dizzy after the roller coaster ride.
Nauseously → It is formed from "nausea" (from Latin "nausea", meaning seasickness or discomfort) and the suffix "-ously" (meaning in a manner characterized by). The word "nauseously" means in a manner that causes or is characterized by nausea.
Think of 'nausea' as the feeling of discomfort or sickness, and remember that 'nauseously' describes something done in a way that causes that feeling.