With a rush is a phrase used to describe a sudden or urgent action or movement. There are several synonyms that can be used to convey the same meaning, including "hastily," "urgently," and "swiftly." Other synonyms that can be used to describe a rushed movement or action include "frantically," "hurriedly," "quickly," "precipitously," and "speedily." These words can often be used interchangeably, depending on the context of the sentence. The use of synonyms can help to add variety and interest to a piece of writing, while also helping to clarify and emphasize specific points.