As adjectives the difference between looniest and mooniest
is that looniest is superlative of loony while mooniest is superlative of moony.
looniest
English
Adjective
(head)
(loony)
Anagrams
*
loony
English
Alternative forms
* (insane) luny, looney
Adjective
(er)
(of a person) Insane.
(of a thing) Very silly, absurd.
Synonyms
* See also
Noun
(loonies)
An insane or very foolish person.
mooniest
English
Adjective
(head)
(moony)
Anagrams
*
moony
English
Adjective
(er)
Resembling the moon.
Moonlit.
Absent-minded.
Noun
(moonies)
The act of mooning.
:She was doing a moony .