1. a person who speaks or writes in platitudes; someone given to uttering dull, trite, or banal remarks

1. characterized by or consisting of platitudes; dull, trite, or lacking originality

Examples

• The politician's speech was full of platitudinarian remarks that failed to address the real issues.
• She dismissed him as a platitudinarian who had nothing new to contribute to the discussion.
• His platitudinarian writing style made even interesting topics seem boring.
• The critic called the author a platitudinarian for relying on tired clichés throughout the novel.
• Rather than offering genuine insight, he resorted to platitudinarian observations about life and love.
• The committee was tired of platitudinarian proposals that had been suggested countless times before.