benumbed (adj.)

• aloof
• apathetic
• asleep
• blase
• bored
• callous
• comatose
• dead
• deadened
• debilitated
• detached
• disinterested
• dopey
• dormant
• droopy
• drugged
• dull
• enervated
• exanimate
• heartless
• heavy
• hopeless
• inanimate
• indifferent
• inert
• insensate
• insensible
• insensitive
• insentient
• insouciant
• jaded
• lackadaisical
• languid
• languorous
• leaden
• lethargic
• lifeless
• listless
• lumpish
• moribund
• nonchalant
• numb
• numbed
• obdurate
• obtuse
• passive
• phlegmatic
• sated
• senseless
• slack
• sleepy
• slow
• sluggish
• somnolent
• soporific
• spiritless
• stagnant
• stoic
• stupefied
• supine
• thick-skinned
• torpid
• uncaring
• unconcerned
• unfeeling
• uninterested
• unperceptive
• vegetative
• wan
• weary
• withdrawn
• world-weary