| 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. | to give notice to (a person, group, etc.) to go, keep at a distance, etc. (often fol. by away, off, etc.): A sign warns trespassers off the grounds. A marker warned boats away from the dock. |
| 6. | to give authoritative or formal notice to (someone); order; summon: to warn a person to appear in court. |
| 7. | to give a warning; caution: to warn of further disasters. |