1. to give notice, advice, or intimation to (a person, group, etc.) of danger, impending evil, possible harm, or anything else unfavorable: They warned him of a plot against him. She was warned that her life was in danger.
2. to urge or advise to be careful; caution: to warn a careless driver.
3. to admonish or exhort, as to action or conduct: She warned her employees to be on time.
4. to notify, advise, or inform: to warn a person of an intended visit. 5
"people can be warned about emergences."
"ships can be warned of waves."
"residents can be warned of explosions."
"places can be warned about conditions."
"browns can be warned by officials."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.