insensible (adj.)
- abiotic
- absorbed
- anesthetic
- apathetic
- asleep
- azoic
- benumbed
- blind
- blindfold
- blindfolded
- bloodless
- blunt
- callous
- camouflaged
- cold
- comatose
- concealed
- cool
- dead
- deadened
- deaf
- dim-sighted
- disguised
- dispassionate
- dull
- dumb
- emotionless
- engrossed
- exanimate
- hard
- hardened
- hidden
- impalpable
- impassive
- imperceptible
- impervious
- imponderable
- inanimate
- inappreciable
- incognizant
- inconsiderate
- indifferent
- indiscernible
- inert
- insensate
- insensitive
- insentient
- intangible
- intent
- invisible
- latent
- lifeless
- mindless
- mute
- myopic
- napping
- nearsighted
- nonconscious
- nonliving
- numb
- numbed
- obdurate
- oblivious
- obtuse
- out
- pachydermatous
- phlegmatic
- preoccupied
- purblind
- rapt
- rocky
- secret
- senseless
- shortsighted
- sightless
- soulless
- stoic
- stolid
- submerged
- thick-skinned
- thoughtless
- torpid
- unaffected
- unanimated
- unapparent
- unaware
- uncomprehending
- unconscious
- undiscerning
- unfeeling
- unhearing
- unknowing
- unmindful
- unmoved
- unnoticed
- unobservable
- unobserved
- unperceivable
- unperceived
- unperceiving
- unperceptive
- unrealized
- unseeable
- unseeing
- unseen
- unsusceptible
- unsuspecting
- untouched
- unwitting
- viewless
- witless