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unless

un·less

unless

 
 
pronunciation:
uhn les
parts of speech:
conjunction, preposition
part of speech: conjunction
definition 1: except under the condition that; except if.
We won't go unless we're invited.Unless you take this medicine, you won't get better.I won't call you unless some emergency comes up.I don't really feel like going out, unless you want to.
definition 2: if not for the fact that.
You would never have won that prize unless I helped you.
 
part of speech: preposition
definition: except possibly.
There is nothing that can be done for him, unless, perhaps, an operation.