The word queasier is an adjective that describes a feeling of discomfort or unease, usually related to the stomach or a sense of nausea. Synonyms for queasier include nauseous, sick, unwell, dizzy, uneasy, unsettled, and disturbed. Other related words include queasy, nauseated, sickly, and upset. These words can be used to describe a variety of situations, from physical illness to emotional discomfort, and are often used in medical or psychological contexts. Whether you're feeling queasy from nerves or a stomach bug, there are many words to describe this unpleasant sensation.