verb fore·warn \fr-ˈwrn\

: to warn (someone) before something happens

Full Definition of FOREWARN

transitive verb
:  to warn in advance

Examples of FOREWARN

  1. <I should forewarn you before you come to visit that we have a dog.>

First Known Use of FOREWARN

14th century


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May 27, 2015
riot act Hear it
a vigorous reprimand or warning
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