The team celebrated their small victory as if it were a major achievement.
The CEO described the financial loss as a minor setback, downplaying its impact on the company.
His mild criticism of the project's flaws didn't fully capture the extent of its problems.
She sent him a gentle reminder about the upcoming deadline, masking her urgency with understatement.
Her claim that it was just a slight exaggeration was a classic example of understatement.