If you are looking for synonyms for the phrase "were seasick," there are several options to consider. Some alternative phrases might include "felt queasy," "were nauseous," "suffered from motion sickness," "were unwell due to the sea," "felt seasick," or "experienced seasickness." Each of these phrases describes the feeling of discomfort and illness that can arise when someone is traveling on a boat or ship. Whether you are going on a fishing trip, taking a cruise, or simply sailing across the ocean, it's important to be aware of the symptoms of seasickness and take steps to prevent or treat it.