1. of or relating to muscle or the muscles: muscular strain.
  2. dependent on or affected by the muscles: muscular strength.
  3. having well-developed muscles; brawny.
  4. vigorously and forcefully expressed, executed, performed, etc., as if by the use of a great deal of muscular power: a muscular response to terrorism.
  5. broad and energetic, especially with the implication that subtlety and grace are lacking: a muscular style.
  6. reflected in physical activity and work: a muscular religion.
  7. Informal. having or showing power; powerful: a muscular vehicle.

Origin of muscular

1675–85; < Latin mūscul(us) muscle + -ar1
Related formsmus·cu·lar·i·ty, nounmus·cu·lar·ly, adverbin·ter·mus·cu·lar, adjectivein·ter·mus·cu·lar·ly, adverbin·ter·mus·cu·lar·i·ty, nounnon·mus·cu·lar, adjectivenon·mus·cu·lar·ly, adverbpost·mus·cu·lar, adjectivesub·mus·cu·lar, adjectivesub·mus·cu·lar·ly, adverbun·mus·cu·lar, adjectiveun·mus·cu·lar·ly, adverb

Synonyms for muscular Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for intermuscular

Historical Examples of intermuscular

  • For each myotome there is a single nerve, which enters, as in the case of other fishes, the intermuscular septum.

  • In the anterior part of the trunk the ribs pass outwards along the intermuscular septa till they reach the epidermis.

  • They were obtained from the brain, liver, and intermuscular substance of a pig fed with proglottides about thirty days previously.


    T. Spencer Cobbold

  • The directions in which they proceed are in the course of the intermuscular connective tissues.


    T. Spencer Cobbold

  • Associated with the ribs are a second series of rib-like bones, the intermuscular bones.

    The Vertebrate Skeleton

    Sidney H. Reynolds

British Dictionary definitions for intermuscular


  1. having well-developed muscles; brawny
  2. of, relating to, or consisting of muscle
Derived Formsmuscularity (ˌmʌskjʊˈlærɪtɪ), nounmuscularly, adverb

Word Origin for muscular

C17: from New Latin muscularis, from musculus muscle
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

Word Origin and History for intermuscular



1680s, "pertaining to muscles," from Latin musculus (see muscle (n.)) + -ar. Earlier in same sense was musculous (early 15c.). Meaning "having well-developed muscles" is from 1736. Muscular Christianity (1857) is originally in reference to philosophy of Anglican clergyman and novelist Charles Kingsley (1819-1875). Muscular dystrophy attested from 1886.

Online Etymology Dictionary, © 2010 Douglas Harper

intermuscular in Medicine


  1. Of, relating to, or consisting of muscle.
  2. Having or characterized by well-developed muscles.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.