not (in) the least
Definition of not (in) the least
: not at all : not in any way or respect It did not interest me in the least. That joke was not in the least funny. I'm not the least worried.
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leastplay
: superlative of1little
: lowest in importance or position
: smallest in size or degree
: one that is least
: superlative of2little
: in the smallest or lowest degree
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