"not tolerating foolishness, practical," by 1912, from the phrase to stand no nonsense "tolerate no foolishness or extravagant conduct," which is attested from 1821, originally in sporting slang.
the no-nonsense tones of a stern parent
non-linear
non-member
non-metal
nonny
no-no
no-nonsense
nonpareil
non-partisan
non-payment
non-performance
non-perishable
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