suffering from delirium
mentally imbalanced
wild and strange; impossible to carry out
strange, different; imaginary
based on a false or impossible idea
deceptive
existing only in the mind and not real
fictitious, invented
unbelievable
amazing, intense
(of drugs) causing very strong feelings of excitement, fear etc
affecting the mind so as to produce vivid visions
imaginary; not real
fake, make-believe; hypothetical
that cannot be relied on; not to be trusted
not trustworthy, not true