Definition, Meaning & Synonyms

risus sardonicus

Noun

/ˈraɪsəs sɑːrˈdoʊnɪkəs/

Definition

A sustained grin or grimace, often associated with certain medical conditions, especially tetanus.

Examples

The patient exhibited risus sardonicus as a symptom of severe tetanic spasm.
In literature, the character’s expression was described as akin to risus sardonicus, reflecting their twisted sense of humor.</li}

Meaning

The term originates from a plant known as the Sardonic herb, which was believed to induce a grinning expression in those who consumed it, often as a result of poisoning.