I. səˈpīn, (ˈ)sü|p- adjective
Etymology: Latin supinus lying on the back, moving backward; akin to Latin sub under, up — more at up
1.
a. : lying on the back or with the face upward — opposed to prone
b. : marked by supination
2. : manifesting mental or moral lethargy : indifferent to one's duty or welfare or others' needs : lacking stamina : abject
condition of static lethargy and supine incuriousness — Aldous Huxley
the clergy as a whole were therefore obedient and supine — G.M.Trevelyan
3. archaic : leaning or sloping backward : inclined
Synonyms: see inactive , prone
II. ˈsüˌpīn noun
( -s )
Etymology: Middle English supyn, from Late Latin supinum, from Latin, neuter of supinus lying on the back
1. : a Latin verbal noun either in the accusative case in -um used after verbs of motion to denote purpose (as in abiit piscatum “he's gone fishing”) or in the ablative in -u used as an ablative of specification (as in difficile dictu “hard to say”)
2. : an English infinitive with to