Definify.com
Webster 1913 Edition
Platitude
1.
The quality or state of being flat, thin, or insipid; flat commonness; triteness; staleness of ideas of language.
To hammer one golden grain of wit into a sheet of infinite
platitude
. Motley.
2.
A thought or remark which is flat, dull, trite, or weak; a truism; a commonplace.