Synonyms for Impassible:

• adj.

  •dull (adjective)
  • monotonous,
  • boring,
  • routine,
  • depressed,
  • even,
  • usual,
  • heavy,
  • slack,
  • inert,
  • unexciting,
  • languid,
  • stagnant,
  • jejune,
  • listless,
  • apathetic,
  • inactive,
  • Impassible,
  • still,
  • empty,
  • prosaic,
  • colorless,
  • accustomed,
  • dead,
  • blank,
  • unsympathetic,
  • sluggish,
  • lifeless,
  • torpid,
  • placid,
  • flat,
  • vacuous,
  • unresponsive,
  • lumpy,
  • slow,
  • quiet,
  • stolid,
  • regular,
  • spiritless.
  •impassible (adjective)
  • insensible,
  • invincible,
  • safe,
  • unconcerned,
  • indifferent,
  • strong,
  • secure,
  • passionless,
  • callous,
  • protected.
  •insensitive (adjective)
  • dull.
  •insusceptible (adjective)
  • crass,
  • thick-skinned,
  • obtuse,
  • heartless,
  • aloof,
  • incurious,
  • stony,
  • unfeeling,
  • hard-boiled,
  • unkind,
  • hardhearted,
  • hardened,
  • coldhearted,
  • tactless,
  • hardboiled,
  • Imperceptive,
  • hard as nails,
  • feelingless.
  •rocky (adjective)
  • flinty,
  • pitiless,
  • rugged,
  • tough,
  • firm,
  • steady,
  • solid,
  • rocklike,
  • adamant,
  • rough.
  •stuporous (adjective)
  • wooden.
  •unimpressionable (adjective)
  • deadened,
  • senseless,
  • impervious to.
  •unmoved (adjective)
  • emotionless,
  • uncaring,
  • collected,
  • resolute,
  • untouched,
  • unaffected.
  •unsusceptible (adjective)
  • un-susceptible,
  • un susceptible.

• Other synonyms:

  •
  • unimpressionable.
  •
  • unsusceptible,
  • insusceptible.
  •
  • insensitive.
  •
  • impassive.
  •Other relevant words:
  • blunt,
  • drugged,
  • icy,
  • stuporous,
  • Casehardened,
  • objective,
  • untouchable,
  • frosty,
  • catatonic,
  • unaffectionate,
  • anesthetic,
  • unimpassioned,
  • bloodless,
  • unfelt,
  • comatose,
  • arctic,
  • deaf to,
  • numb,
  • hard,
  • anaesthetised,
  • unconscious,
  • cool,
  • immovable,
  • expressionless,
  • obdurate,
  • unloving,
  • dispassionate,
  • unperceptive,
  • insentient,
  • out of touch,
  • nonchalant,
  • affect,
  • calm,
  • autistic,
  • asleep,
  • stoic,
  • affectless,
  • nonemotional,
  • cold,
  • unemotional,
  • cold-blooded,
  • unmoral,
  • insensate,
  • frozen,
  • Inexcitable,
  • benumbed,
  • blind to,
  • frigid,
  • Unimpressible,
  • chilly,
  • soulless,
  • dead to,
  • imperturbable,
  • thick-witted,
  • frosted.