obtund

/əb'tʌnd/

Thân thiện

The doctor used a mild sedative to obtund the patient's anxiety before the procedure.

Definition

1. Verb:
   • To reduce the sharpness, intensity, or sensitivity of something; to dull or blunt: In medical and formal contexts, "obtund" means to make a sensation, feeling, or reflex less acute or violent. It implies a dampening or deadening effect.

Usage and Examples

• Verb:
  • The medication is administered to obtund the patient's severe pain before the procedure.
  • The cold weather seemed to obtund his sense of smell.
  • A head injury can obtund a person's reflexes and level of consciousness.

Advanced Usage

• "Obtunded" as an adjective: Describing a state of reduced alertness, consciousness, or sensory acuity.
  • The patient was admitted in an obtunded state, responding only to painful stimuli.
• "Obtunding" as a present participle or gerund: Referring to the action of dulling.
  • The obtunding effect of the anesthetic was carefully monitored.

Variants and Related Words

• Obtundent (noun/adjective): An agent that dulls sensitivity or relieves pain; having the quality of dulling sensation.
  • Morphine is a powerful obtundent.
• Obtundity (noun, rare): The state of being obtunded; dullness.
• Obtundation (noun): A medical term for a state of reduced alertness and consciousness.
  • The doctor noted signs of obtundation in her report.

Synonyms

• Dull: To make less intense or sharp.
• Blunt: To weaken or reduce the force of.
• Deaden: To make less sensitive or lively.
• Numb: To deprive of sensation.
• Mitigate: To make less severe (often used for non-physical things like pain or anger, overlapping in context).

Antonyms

• Sharpen: To make more acute or intense.
• Heighten: To increase the degree of.
• Stimulate: To excite or increase activity.
• Exacerbate: To make a problem, bad situation, or negative feeling worse.

Notes on Usage

• Register: "Obtund" is a formal, technical word, primarily used in medical, scientific, or literary contexts. It is not common in everyday conversation.
• Object: It typically takes an object that denotes a sensation, feeling, reflex, or mental faculty (e.g., ).
• Common Confusion: Do not confuse "obtund" with "obtuse" (slow to understand), although they share a Latin root (, meaning 'to beat against' or 'to dull').

Học thuật

Verb

1. reduce the edge or violence of
   • obtunded reflexes