/plat"i toohd', -tyoohd'/ , n.
1. a flat, dull, or trite remark, esp. one uttered as if it were fresh or profound.
2. the quality or state of being flat, dull, or trite: the platitude of most political oratory.
[ 1805-15; plat flat (see PLATE 1 ) + -itude, as in F latitude, altitude, magnitude, etc. ]
Syn. 1. cliché, truism.