Being in a confined space can be overwhelming and uncomfortable. It's important to understand what other terms can be used to describe this experience. One possible synonym for "in a confined space" is "cramped," which suggests a lack of room to move around freely. Another option is "congested," which implies a feeling of being trapped among a group of people or objects. "Enclosed" is another word that can be used to describe a space that is small and contained. Finally, "claustrophobic" captures the intense feeling of anxiety that can arise when someone is in a space that is too small for comfort.