Acuter is an adjective that describes a situation or problem that is more intense, severe, or sharper than usual. Synonyms for acuter include more intense, more severe, more acute, more pressing, more urgent, more critical, more paramount, more important, more crucial, more serious, and more dire. These words can be used interchangeably depending on the context in which they are used. For example, more critical and more serious can be used when referring to medical conditions, while more important and more pressing can be used in business situations. It is essential to choose an appropriate synonym when using it in a particular context to convey the intended meaning accurately.