Warn
Apprise
Synonyms Notify, apprise, inform, let someone know, give a warning to, forewarn, remind, tip off, alert, give notice, tell, make someone aware, give fair warning to, put someone on notice/guard, raise/sound the alarm, and put wise.
Urge
Synonyms Advise, urge, caution, put someone on guard, exhort, counsel, and put on the alert.
Example Sentences
I need to warn you urgently.
They warn travelers about potential dangers.
She warned him not to proceed.
Please warn me if anything changes.
