Chiasmus is a rhetorical figure that is commonly used in literature and speeches. This figure of speech involves the repetition of words or phrases in a reversed order to create a balanced structure. Some of the synonyms for chiasmus include criss-crossing, reverse parallelism, and contrasted parallelism. Another synonym for chiasmus is antimetabole, which is a rhetorical device that involves the repetition of words or phrases in a way that produces a different meaning. Other synonyms for chiasmus include cross-stitching, inverse parallelism, and mirrored structure. These synonyms can be used interchangeably to add emphasis and create a memorable effect in writing or speech.