Squeam is a word that is often used to describe a feeling of nausea or discomfort. However, there are many synonyms that can be used in its place. For example, the word queasy can be used to mean feeling sick or uneasy, and the word nauseous can be used to describe a feeling of sickness. Other synonyms for squeam include nauseated, sickening, and unsettling. Additionally, some people may use the word bilious to describe a feeling of discomfort or nausea, while others may use the word queazy or queezish. Overall, there are many different words that can be used in place of the word squeam, each with its own unique nuance and meaning.