- Lying on the back or having the face upward.
- Having the palm upward. Used of the hand.
- Marked by or showing lethargy, passivity, or blameworthy indifference. See synonyms at inactive.
- Inclined; sloping.
A defective Latin verbal noun of the fourth declension, having very limited syntax and only two cases, an accusative in -tum or -sum and an ablative in -tū or -sū. The accusative form is sometimes considered to be the fourth principal part of the Latin verb.
[Middle English supin, Latin verbal noun, from Late Latin supīnum (verbum), (verb) lying on its back, (verb) going back, neuter of Latin supīnus.]
supinely su·pine'ly adv.supineness su·pine'ness n.





