(adj): vs. reasonable) -- (not reasonable; not showing good judgment
(adj): unresponsive to stimulation
(adj): vs. conscious) -- (not conscious; lacking awareness and the capacity for sensory perception as if asleep or dead
(adj): serving no useful purpose; having no excuse for being
(adj): vs. valuable) -- (lacking in usefulness or value
(adj): (of especially persons) lacking sense or understanding or judgment
(adj): vs. smart) -- (lacking or marked by lack of intellectual acuity