Use 'banal' to express disapproval of things that lack freshness or novelty due to being predictable. His speech was so banal that I could guess every point he was about to make.
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Negative Tone
'Banal' often carries a negative tone, implying a disinterest or frustration with the unoriginality. The conversation at the party turned banal, with everyone repeating the same gossip.
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Literary Critique
In literature, 'banal' is used to criticize works that lack depth or innovation. Critics dismissed the film as banal, despite its high production values.