Definition of "duffer"
duffer
/ˈdʌfɚ/
adjective
comparative form of duff: more duff
noun
plural duffers
(entomology) Any of various nymphalid butterflies of the genus Discophora.
comparative form of duff: more duff
plural duffers
(entomology) Any of various nymphalid butterflies of the genus Discophora.