Are you feeling seasick and searching for synonyms for the phrase "suffering from mal de mer"? Here are a few options: experiencing sea sickness, feeling nauseated from the motion of the boat, suffering from motion sickness at sea, feeling queasy on the ocean, experiencing seasickness aboard the boat, or struggling with the effects of motion sickness. No matter how you phrase it, the symptoms of feeling sick on a boat can be unpleasant and uncomfortable. To prevent or alleviate seasickness, try taking medication, avoiding alcohol and greasy foods, or focusing on the horizon to reduce motion sickness.