not least
Definition of not least
formal
: especially or particularly We had many things to consider, not least the safety of our children.
From the M-W Editors
Word by Word Definitions
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
See the full definition of least
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