nine times out of ten

idiom (1)

Definition of nine times out of ten

 (Entry 1 of 2)

: occurring on average nine times for every ten instances of something : most of the time by far She beats me at chess nine times out of ten.

ninety-nine times out of a hundred

idiom (2)

Definition of ninety-nine times out of a hundred (Entry 2 of 2)

informal
: almost always Ninety-nine times out of a hundred, you can fix the problem by restarting the computer.

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not being in agreement or harmony

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