Delusion : Meaning and synonyms with example.

Delusion (n.) डिल्यूजन 

Meanings:--

                    Something a person believes and wants to be true, when it is actually not true.

                     भ्रम 

Synonyms :--

                       Fallacy, Not true

Example :--

                       He is living in such a delusion that he will go on to become such a human who won't make any mistakes, but it's impossible.

                        This was not optimism, it was delusion.