Pronunciation: (lī'tu-tēz", lit'u-, lī-tō'tēz), [key]
—pl. -tes. Rhet.
understatement, esp. that in which an affirmative is expressed by the negative of its contrary, as in “not bad at all.” Cf. hyperbole.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.