in·​tra·​mus·​cu·​lar | \ ˌin-trə-ˈmə-skyə-lər How to pronounce intramuscular (audio) , -(ˌ)trä- \

Definition of intramuscular

: situated in, occurring in, or administered by entering a muscle an intramuscular injection

Keep scrolling for more

Other Words from intramuscular

intramuscularly adverb

Examples of intramuscular in a Sentence

Recent Examples on the Web The company said its lead candidate would require a single intramuscular dose in an outpatient setting, complement and supplement available COVID-19 vaccines, and potentially provide protection for one year., 19 July 2021 Study participants will receive either the nasal spray form or an intramuscular injection of vaccine. Christopher Snowbeck, Star Tribune, 6 July 2021 On bigger shoulders, a one-inch needle would be too short for intramuscular injections. James Heathers, The Atlantic, 3 June 2021 The intramuscular injection is currently in phase 2 clinical trials. Leah Rosenbaum, Forbes, 26 May 2021 Or people could get an intramuscular injection followed by a mucosal boost that produces protective antibodies in the nose and throat. New York Times, 8 Dec. 2020 Plus, secretory IgA antibodies in the mouth and nose are more potent against SARS-CoV-2 than the IgG antibodies induced by intramuscular vaccines, according to a study published in Science Translational Medicine in January. Claire Bugos, Smithsonian Magazine, 12 Apr. 2021 The goal of the trial is to determine whether a single intramuscular dose could prevent hospitalizations and deaths., 19 Apr. 2021 All are intramuscular, meaning they are injected into the muscle tissue. Claire Bugos, Smithsonian Magazine, 12 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'intramuscular.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of intramuscular

1874, in the meaning defined above

History and Etymology for intramuscular

International Scientific Vocabulary

Keep scrolling for more

Learn More About intramuscular

Time Traveler for intramuscular

Time Traveler

The first known use of intramuscular was in 1874

See more words from the same year

Dictionary Entries Near intramuscular

intra muros



See More Nearby Entries 

Statistics for intramuscular

Last Updated

27 Jul 2021

Cite this Entry

“Intramuscular.” Dictionary, Merriam-Webster, Accessed 29 Jul. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for intramuscular


in·​tra·​mus·​cu·​lar | \ -ˈməs-kyə-lər How to pronounce intramuscular (audio) \

Medical Definition of intramuscular

: situated within, occurring within, or administered by entering a muscle intramuscular fat an intramuscular injection

Other Words from intramuscular

intramuscularly adverb

More from Merriam-Webster on intramuscular

Britannica English: Translation of intramuscular for Arabic Speakers


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!