Delusion

1.

(A false belief or opinion, a persistent belief that is a symptom, a deluding or being deluded) សេចក្ដីភាន់ គំនិត, សេចក្ដីភាន់, មិនសមហេតុផល, ការឆ្ពិនភ្នែក
Example: An insane person may have a delusion that he is a famous person.
Example: Philip has delusions of grandeur thinking he's Napoleon.

2.

(វេជ្ជសាស្ត្រ) ភាពរវើរវាយ, បាត់បង់ស្មារតី,ការភ័ន្តភាំង

1.

deception, dream, fallacy, fancy, fantasy, hallucination, illusion, mirage, phantom, vision

1.

actuality, reality, substance