if need be

Definition of if need be

  1. :  if something becomes necessary You can always call me at home if need be. We'll leave without them if need be.

Word by Word Definitions

  1. :  necessary duty :  obligation

    :  a lack of something requisite, desirable, or useful

    :  a physiological or psychological requirement for the well-being of an organism

  1. :  to be needful or necessary

    :  to be in want

    :  to be in need of :  require

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