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anaesthetic

British  
/ ˌænɪsˈθɛtɪk /

noun

  1. a substance that causes anaesthesia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. causing or characterized by anaesthesia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The next day, Olivia had to have a procedure under general anaesthetic.

From BBC • Mar. 15, 2026

Carried out under general anaesthetic, the procedure involves opening the skull and removing a small section of bone to relieve pressure on the nerve which is causing the pain.

From BBC • Feb. 3, 2026

Laser therapy, or laser ablation, is a procedure done under local anaesthetic where a laser burns away the abnormal cells.

From BBC • Jan. 18, 2026

Because of this, the family are holding off on the radiotherapy, and Molly is having three-monthly MRI scans under general anaesthetic as they watch and wait.

From BBC • Sep. 30, 2025

“Yes,” she replied in her sweet, musical voice, “I always give them an anaesthetic so they won’t feel pain. It’s a little service I throw in.”

From "Charlotte's Web" by E.B. White