As adjectives the difference between lunatic and bonkers
is that lunatic is crazed, mad, insane, demented while bonkers is (informal) irrational, crazy.
As a noun lunatic
is an insane person.
lunatic
English
Synonyms
* (l)
* See also
Synonyms
* crazed, insane, mad, demented, maniacal, psychotic, crazed; see also
bonkers
English
Adjective
(head)
(informal) irrational, crazy