As adjectives the difference between loopier and loonier
is that loopier is (loopy) while loonier is (loony).
loopier
English
Adjective
(head)
(loopy)
loopy
English
Adjective
(er)
having loops
:A loopy rollercoaster.
(slang) idiotic, crazy or drunk
loonier
English
Adjective
(head)
(loony)
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.