superlative form of duff: most duff

The behaviour or opinions of duffers.

The realm or sphere of duffers.

A surname from Irish, an anglicization of Ó Dubhthaigh (“descendant of Dubhthach”). Dubhthach is a byname derived from dubh (“black”). / A surname from Irish, an anglicization of Ó Doithe.

(heraldry) Twifoil.

A plum pudding.

(countable) A surname. / A village in Saskatchewan, Canada / An unincorporated community in Indiana, United States / An unincorporated community in Tennessee, United States

An abdominal gland in certain insects, part of the anatomy of the ovipositor or sting apparatus in female members of Apocrita.

plural of duffel bag

A surname. / A hamlet in Alberta, Canada. / A village and civil parish in Amber Valley borough, Derbyshire, England (OS grid ref SK3443).