interstitial
adjective
in·ter·sti·tial
ˌin-tər-ˈsti-shəl 
1
: occurring in or being an interval or intervening space or segment : of, relating to, or forming an interstice
an interstitial space
… the site has been running interstitial ads, which consist of a full page of advertising between editorial pages, for a little more than a year.—
Carl Sullivan
Carl Sullivan2
a
: situated within but not restricted to or characteristic of a particular organ or tissue
—used especially of fibrous tissue
b
: affecting the interstitial tissues of an organ or part
interstitial cystitis
3
: being or relating to a crystalline compound in which usually small atoms or ions of a nonmetal occupy holes between the larger metal atoms or ions in the crystal lattice
Examples of interstitial in a Sentence
Recent Examples on the Web
Kanshi Iwasaki’s sound design, meanwhile, is tensely sparse and defined by absence, giving way to music only in interstitial montages of relentlessly forward-driving city life.
—Guy Lodge, Variety, 13 June 2025
Doctoring provides powerful tools for getting under the hood, but writing offers ones that dig into the interstitial spaces where our more utilitarian tools falter.
—Danielle Ofri, New Yorker, 7 June 2025
And make sure to pay attention in the interstitial spaces filled with rotating art by local makers.
—Nevin Martell, USA Today, 27 May 2025
Traditional cable and satellite companies looking to fill unsold time have always resorted to interstitial cards or house ads for their own services.
—Dade Hayes, Deadline, 10 May 2025
See All Example Sentences for interstitial
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.
Guy Lodge, Variety, 13 June 2025
Doctoring provides powerful tools for getting under the hood, but writing offers ones that dig into the interstitial spaces where our more utilitarian tools falter.
—Danielle Ofri, New Yorker, 7 June 2025
And make sure to pay attention in the interstitial spaces filled with rotating art by local makers.
—Nevin Martell, USA Today, 27 May 2025
Traditional cable and satellite companies looking to fill unsold time have always resorted to interstitial cards or house ads for their own services.
—Dade Hayes, Deadline, 10 May 2025
See All Example Sentences for interstitial
Cite this Entry
“Interstitial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstitial. Accessed 29 Jun. 2025.
Copy CitationKids Definition
interstitial
adjective
in·ter·sti·tial
ˌint-ər-ˈstish-əl
: relating to or located in the interstices
Medical Definition
interstitial
adjective
in·ter·sti·tial
ˌint-ər-ˈstish-əl
1
: situated within but not restricted to or characteristic of a particular organ or tissue
—used especially of fibrous tissue
2
: affecting the interstitial tissues of an organ or part
interstitial hepatitis
3
: occurring in the part of a fallopian tube in the wall of the uterus
interstitial pregnancy
Love words? Need even more definitions?
Merriam-Webster unabridged
Share