From Latin sardonius, from Ancient Greek Σαρδόνιος (Sardónios, “Sardinian”), earlier σαρδάνιος (sardánios).
Sardonian (comparative more Sardonian, superlative most Sardonian)
- (obsolete) Sardonic.
- 1596, Edmund Spenser, The Faerie Queene, V.9:
- He gan with guilefull words her to perswade / To banish feare; and, with Sardonian smyle / Laughing on her, his false intent to shade, / Gan forth to lay his bayte […].