0 to make someone realize a possible danger or problem, especially one in the future: --
Put that ball down now, Laura - I'm warning you (= I will punish you if you do not)!
This particular curry is extremely hot - be warned!
There were signs warning of fog as soon as we got onto the motorway.
I was warned against/off going to the east coast because it was so full of tourists.
[ + obj + (that) ] Have you warned them (that) there will be an extra person for dinner?
[ + obj + to infinitive ] We were warned not to eat the fish which might upset our stomachs.
1 to make someone aware of a possible danger or problem so that it can be avoided: --
Nineteenth-century usage guides do not advise against the passive, though some do warn writers not to change voice in midsentence.
People practising coitus interruptus don't seem to have succumbed to all those terrible nervous complaints against which we are so frequently warned by psychiatrists.
Furthermore, he warns us against reducing narration to one genre, since each of the different genres examined has its own developmental course and purpose.
There is an ancient myth that wild rats guide their young to food, and even warn them of the dangers of poison bait.
The children were to create posters warning of the dangers of fireworks.
I warned explicitly for a mystification of particularity and the dangers of a return to mythology.
The public needs to be warned about risks involved in consumption of processed meat products, and educated about proper foodhandling and storage.
Then we have wanted a way to warn jurors that they must not let exaggerated, hyperbolic doubts stand in the way of conviction.
