Warn | Mean of warn in English Dictionary

/ˈwoɚn/

• Verb
• to tell (someone) about possible danger or trouble
1. I had been warned about the difficulties of the job.
2. She warned me that the stove was still hot.
3. The company has warned (investors) that its profits are likely to be lower in the coming year.
4. “This won't be easy,” he warned.
5. Nobody warned me about the dangers.
6. The book warns about/of the dangers of not getting enough exercise.
• to tell (someone) to do or not to do something in order to avoid danger or trouble
1. I warned him to be careful, but he didn't listen to me.
2. She warned us not to go too close to the fire.
3. We were warned against using [=warned not to use] the faulty light switch.
4. She warns against making changes too quickly.
• to tell (someone) to go or stay away in order to avoid danger or trouble
1. The neighbors warned us off their land.