Words similar to warn

Example sentences for: warn

How can you use “warn” in a sentence? Here are some example sentences to help you improve your vocabulary:

The word first gained general usage in Britain during World War II, and possibly came about as a result of fraternizing with French troops, perhaps as a corruption of l'eau (water) or lieux d'aisance (Water-closet), or even as a derivation of the cry ( Garde á l'eau! , given to warn passerby that someone above was about to slop out (the anglicised form, gardyloo ! , occurs in this context in a novel by Tobias Smollett as early as 1771).
Clinton also used the occasion to warn ( USA Today says "threaten") Saddam Hussein that the U.S. is determined to deny him the ability to use weapons of mass destruction again.
Viagra's label did not adequately warn users with weak hearts and manufacturer Pfizer was not required to perform clinical trials on people with heart disease.
(I complained a lot in those days, a habit many proverbs warn against.)
Authorities had to get an unprecedented court order to allow the release of his name so that they can find, warn, and test his sex partners and their subsequent sex partners, who may number in the hundreds.