litotes
noun
Meaning
A figure of speech that employs an understatement by using double negatives or by denying the opposite of a positive statement to emphasize a point.
Examples
- Describing a massive storm as 'not exactly a light drizzle' is a classic example of litotes.
- He used litotes when he remarked that the billionaire was 'not entirely penniless.'
Synonyms: understatement, meiosis