A rhetorical device where a word or phrase is used in a sense opposite to its literal meaning.
El uso de antifrasis en su discurso generó confusión entre los oyentes, que no entendieron su ironía.
The use of antiphrasis in his speech generated confusion among the listeners, who did not understand his irony.
Utilizó la antifrasis al decir que su amigo era 'un genio' justo antes de cometer un error estúpido.
He used antiphrasis when he said his friend was 'a genius' just before making a stupid mistake.