noun.
a disclosure or statement that is less than complete
noun.restraint or lack of emphasis, especially for ironic effect
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a statement that is restrained in ironic contrast to what might have been said
Word Usage
"In the end, Mr. Castro, 34, opted for what he described as understatement: pink eye shadow, a bright pink V-neck shirt and intermittent outbursts of tears."