Definition of uncool
1
: lacking in assurance, sophistication, or self-control
2
: failing to accord with the values or styles (as of dress or behavior) of a particular group : not accepted or admired as cool or proper
driving an uncool car an uncool remark
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Merriam-Webster unabridged
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Time Traveler for uncool
The first known use of uncool was in 1948
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