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not least

idiom

Definition of not least

formal
: especially or particularly
  • We had many things to consider, not least the safety of our children.

Word by Word Definitions

least play

  1. : superlative of little:1

  2. : lowest in importance or position

  3. : smallest in size or degree

  1. : one that is least

  1. : superlative of little:2

  2. : in the smallest or lowest degree

See the full definition of least

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