Definition of noncompatible
: not compatible : incompatible sense 1
a genetically noncompatible donor noncompatible applications/devices An industry group that had proposed an advanced system compatible with current TV's has put it on hold in favor of a noncompatible, digitized system.— George Mannes
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Merriam-Webster unabridged
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Time Traveler for noncompatible
The first known use of noncompatible was in 1850
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