Definition

1. Adjective:
   • Unconscious, unresponsive: Lacking awareness or consciousness; unable to perceive or respond to stimuli.
   • Imperceptible, very slight: So small or gradual as to be barely noticeable or detectable.
   • Unaware, indifferent: Lacking emotional sensitivity or concern; not affected by or conscious of something.
   • Incapable of physical sensation: Unable to feel physical sensations, such as pain or temperature.

Usage Examples

• Unconscious, unresponsive:
  • The boxer was knocked insensible by the powerful punch.
  • She found him lying insensible on the floor after the accident.
• Imperceptible, very slight:
  • The insensible movement of the glacier carved the valley over millennia.
  • There was an insensible shift in public opinion over the years.
• Unaware, indifferent:
  • He seemed insensible to the criticism directed at him.
  • The tyrant was utterly insensible to the plight of his people.
• Incapable of physical sensation:
  • Her fingers were so cold they became insensible to the touch.
  • The anesthetic rendered the area completely insensible.

Advanced Usage

• "Insensible of": Unaware or unconscious of something (often an abstract concept like danger or one's own faults).
  • He was insensible of the great risk he was taking.
• "Insensible to": Not affected by or responsive to something (often a physical sensation or an emotional appeal).
  • The old sailor was insensible to the rolling of the ship.
  • She remained insensible to his pleas for forgiveness.

Variants and Related Words

• Insensibility (n): The state of being insensible; lack of sensation, consciousness, or emotional response.
  • The drug induced a state of complete insensibility.
• Insensibly (adv): In an imperceptible or gradual manner.
  • The days grew shorter insensibly as winter approached.

Synonyms

• Unconscious: Not awake and aware of one's surroundings.
• Numb: Deprived of the power of sensation.
• Imperceptible: Impossible to perceive.
• Oblivious: Not aware of or concerned about what is happening around one.
• Indifferent: Having no particular interest or sympathy; unconcerned.

Antonyms

• Conscious: Aware of and responding to one's surroundings.
• Sensitive: Quick to detect or respond to slight changes, signals, or influences.
• Aware: Having knowledge or perception of a situation or fact.
• Perceptible: Able to be seen or noticed.

Related Phrases

• "Render insensible": To cause someone to become unconscious or unable to feel.
  • The blow to the head rendered him insensible.
• "Insensible perspiration": (Technical/Medical) The continual evaporation of water from the skin that is not perceived as sweat.
  • The body loses fluid through insensible perspiration.

Adjective

1. unresponsive to stimulation
   • he lay insensible where he had fallen
   • drugged and senseless
2. barely able to be perceived
   • the transition was almost indiscernible
   • an almost insensible change
3. unaware of or indifferent to
   • insensible to the suffering around him
4. incapable of physical sensation
   • insensible to pain
   • insensible earth