/pan glos"ee euhn, -glaw"see-, pang-/ , adj.
characterized by or given to extreme optimism, esp. in the face of unrelieved hardship or adversity.
[ 1825-35; after Pangloss, an optimistic character in Voltaire's Candide; cf. Gk panglossía garrulousness, wordiness (see PAN-, GLOSSO-, -Y 3 ); see -IAN ]