1. With the face upward
   "she was stretched supinely on her back" 
2. In an indifferently supine manner
   "he called the tune to me and I supinely took it up"

See also: supine

• insurrectionism
• insurrectionist
• insusceptible
• intact
• intactness
• intaglio
• intaglio printing
• intake
• intake manifold
• intake valve
• intangibility
• intangible
• intangible asset
• intangibleness
• intangibly
• intarsia
• integer
• integrability
• integrable
• integral
• integral calculus
• integrality
• integrally
• integrand
• integrant