—adj.
1 lying face upwards (cf. PRONE).
2 having the front or ventral part upwards; (of the hand) with the palm upwards.
3 inert, indolent; morally or mentally inactive.
—n. a Latin verbal noun used only in the accusative and ablative cases, esp. to denote purpose (e.g. mirabile dictu wonderful to relate).
Derivatives:
supinely adv. supineness n.
Etymology: L supinus, rel. to super: (n.) f. LL supinum neut. (reason unkn.)
Useful english dictionary. 2012.