Dictionary

isn't

\ˈi-zənt, -ən, dial also ˈi-dən(t) or ˈin(t)\

Definition of ISN'T

:  is not
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First Known Use of ISN'T

1608
ISN'T Defined for Kids

isn't

\ˈi-zənt\

Definition of ISN'T for Kids

:  is not

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