Definition of platitude noun from the Oxford Advanced American Dictionary

 

platitude

 noun
noun
NAmE//ˈplæt̮əˌtud//
 
(disapproving)
 
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a comment or statement that has been made very often before and is therefore not interesting a political speech full of platitudes and empty promises
platitudinous
 
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NAmE//ˌplæt̮əˈtudn̩əs//
 
adjective (formal) shallow feelings and platitudinous remarks
See the Oxford Advanced Learner's Dictionary entry: platitude