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1

unless

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conjunction un·less \ən-ˈles, ˈən-ˌ\

Simple Definition of unless

  • —used to say what will happen, be done, or be true if something else does not happen, is not done, or is not true

Source: Merriam-Webster's Learner's Dictionary

Full Definition of unless

  1. 1 :  except on the condition that :  under any other circumstance than

  2. 2 :  without the accompanying circumstance or condition that :  but that :  but

Origin and Etymology of unless

Middle English unlesse, alteration of onlesse, from on + lesse less


First Known Use: 14th century


2

unless

preposition un·less

Definition of unless

  1. :  except possibly :  except





UNLESS Defined for Kids

unless

play
conjunction un·less \ən-ˈles\

Definition of unless for Students

  1. :  except on the condition that <You can't have dessert unless you finish your dinner.>




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