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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.

Sophie was given a general anaesthetic and Felix was delivered by emergency C-section.

From BBC • Feb. 12, 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

Risks for those with higher BMIs are related to anaesthetic effectiveness as well as wound healing, blood clots and infections.

From BBC • Dec. 5, 2025

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

He used a local anaesthetic called something or other “snow,” which froze the tissue and avoided pain until the probe, the scalpel or the forceps got below the frozen portion.

From "A Farewell To Arms" by Ernest Hemingway

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.