妄 - delusion, unnecessarily, without authority

delusion; wild idea; (wild) fancy; (ridiculous) fantasy

illusion; fallacy; delusion

unreasonable actions; lack of discrimination

deep-rooted delusion; firm conviction (based on incorrect beliefs)

misuse; abuse

delusional disorder

primary delusion

persecutory delusion; delusion of pursuit

delusional mood

delusional perception

delusional; chimerical

The God Delusion (2006 book by Richard Dawkins)