1. Grimly mocking, cynical, or scornful in a bitter or ironic way
He gave a sardonic smile when hearing the news.
Ele deu um sorriso sardônico ao ouvir a notícia.
2. Expressing bitter or scornful derision in a darkly humorous manner
The comedian's sardonic wit kept the audience laughing throughout the show.
O humor sardônico do comediante manteve a plateia rindo durante todo o espetáculo.