As verbs the difference between overrefines and overrefined
is that overrefines is third-person singular of overrefine while overrefined is past tense of overrefine.
As an adjective overrefined is
refined to an excessive degree.
overrefines
English
Verb
(head)
(overrefine)
overrefine
English
Alternative forms
*over-refine
Verb
(overrefin)
To refine to an excessive degree