scar tissue

noun

: the connective tissue forming a scar and composed chiefly of fibroblasts in recent scars and largely of dense collagenous fibers in old scars

Examples of scar tissue in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The emotional comeback came more than 10 months after Nabers underwent surgery for a torn ACL and meniscus — an injury that cost him the final 13 games of last season and required a second procedure in the spring to clean up scar tissue. Peter Sblendorio, New York Daily News, 14 Sep. 2026 Armstrong underwent excision surgery, a procedure to remove endometriosis lesions and scar tissue. Laura Ungar, Los Angeles Times, 8 Sep. 2026 Scans revealed that a small amount of cancer had returned in the scar tissue. Toria Sheffield, PEOPLE, 23 Aug. 2026 One complication of breast augmentation is capsular contracture, an inflammatory response that creates a hardening of the scar tissue that forms around the implant. Emma Sandler, Forbes.com, 17 Aug. 2026 See All Example Sentences for scar tissue

Word History

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of scar tissue was in 1875

Browse Nearby Words

Cite this Entry

“Scar tissue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scar%20tissue. Accessed 20 Sep. 2026.

Kids Definition

scar tissue

noun
: connective tissue forming a scar

Medical Definition

scar tissue

noun
: the connective tissue forming a scar and composed chiefly of fibroblasts in recent scars and largely of dense collagenous fibers in old scars
Love words? Need even more definitions?

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

More from Merriam-Webster