Synonyms and antonyms of To warn someone about or against something in British Thesaurus

warn (verb)

to make someone conscious of a possible problem or danger so that they will not be hurt

alert (verb)

to tell someone in authority about a danger or problem so that they can take action to deal with it

tip off ()

to give someone a warning or secret information about something

caution (verb)

formal to tell someone about a danger or problem that they need to know about or avoid. In ordinary speech, it is more usual to say that you warn someone

raise/sound the alarm ()

to tell people about something dangerous that is happening

warn off ()

to tell someone that they must stop doing something and that if they do not something bad will happen to them

whistle (verb)

to blow a whistle as a warning or to get someone’s attention

forewarn (verb)

to warn someone about a problem or dangerous situation that is likely to happen

warn (verb)

to tell someone that they will be punished or that something bad will happen if they do something

lecture (verb)

showing disapproval to talk to someone seriously in order to criticize them or warn them about something, especially when this is annoying

awaken to (formal)

formal to begin to notice something, or to make someone begin to notice something, especially danger

flex your muscles ()

to show how powerful or strong you are, especially as a warning or threat to another person or country

portend (verb)

literary to be a sign or warning of something that will happen

prepare (verb)

to make yourself or someone else ready and able to deal with a future event

read (someone) the riot act ()

to warn someone that they will be punished if they do not stop behaving badly

warn away ()

to warn someone not to come near, because of a possible problem or danger