1. believing something that is not true; deceived or misled

Examples

• She was deluded into thinking he truly loved her.
• The deluded fans believed their team would win despite being in last place.
• He’s completely deluded if he thinks that plan will work.
• Don’t be deluded by his smooth talk and false promises.
• The cult members were deluded by their leader’s lies.
• I was deluded about my chances of getting the job.