antiphrasis
/ænˈtɪfrəsɪs/
noun
- The use of a word or phrase in a way that is opposite to its usual meaning, often for humorous or ironic effect.
- When she said 'What a brilliant idea' after a terrible suggestion, it was antiphrasis.
- In the novel, the author uses antiphrasis to mock the character's arrogance by calling him 'humble.'
- Calling a very tall person 'Shorty' is a common example of antiphrasis.