Main Entry: ²su·pine

Pronunciation: \su̇-ˈpīn, attributive also ˈsü-ˌpīn\

Function: adjective

Etymology: Middle English suppyne, from Latin supinus; akin to Latin sub under, up to — more at up

Date: 15th century

1 a : lying on the back or with the face upward b : marked by supination
2 : exhibiting indolent or apathetic inertia or passivity; especially : mentally or morally slack
3 archaic : leaning or sloping backward

synonyms see prone, inactive

— su·pine·ly \su̇-ˈpīn-lē\ adverb

— su·pine·ness \-ˈpīn-nəs\ noun