Main Entry: deb·o·nair

Pronunciation: \ˌde-bə-ˈner\

Function: adjective

Etymology: Middle English debonere, from Anglo-French deboneire, from de bon aire of good family or nature

Date: 13th century

1 archaic : gentle, courteous
2 a : suave, urbane <a debonair performer> b : lighthearted, nonchalant

— deb·o·nair·ly adverb

— deb·o·nair·ness noun