Pronunciation: [ plat-i-tood ]
Definition: noun
a flat, dull, or trite remark, especially one uttered as if it were fresh or profound.

Origin: 1805; French
Etymology: from French, from plat ‘flat’
Usage:

Synonyms:
cliché
truism
commonplace
banality
old chestnut
bromide
inanity
Antonyms:
coinage
nuance
Example: He uniformly retreated to the safety of the platitude and commonplace.