internal
adjective
in·ter·nal
in-ˈtər-nᵊl 
ˈin-ˌtər-
1
: existing or situated within the limits or surface of something: such as
a(1)
: situated near the inside of the body
(2)
: situated on the side toward the median plane of the body
b
: of, relating to, or occurring on the inside of an organized structure (such as a club, company, or state)
internal affairs
2
: relating or belonging to or existing within the mind
4
: present or arising within an organism or one of its parts
internal stimulus
5
: applied or intended for application through the stomach by being swallowed
an internal remedy
Examples of internal in a Sentence
the internal structure of the planet
a patient who is experiencing internal bleeding
Recent Examples on the Web
How Ford Might Address Issues To tackle these quality and cost challenges, Ford is intensifying its focus on internal testing and product validation.
—
Trefis Team, Forbes.com, 15 July 2025
Her experience reflects an agency with spotty internal communication.
—Juwayriah Wright, Time, 15 July 2025
The layoffs are supposed to take effect in August, according to internal Education Department emails obtained by ABC News, right as many of the nation's schools return for a new school year.
—Arthur Jones Ii, ABC News, 15 July 2025
The largest internal organ is the liver, roughly the size of a football and weighing 3 to 3.5 pounds.
—Scott Lafee, San Diego Union-Tribune, 15 July 2025
See All Example Sentences for internal
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Trefis Team, Forbes.com, 15 July 2025
Her experience reflects an agency with spotty internal communication.
—Juwayriah Wright, Time, 15 July 2025
The layoffs are supposed to take effect in August, according to internal Education Department emails obtained by ABC News, right as many of the nation's schools return for a new school year.
—Arthur Jones Ii, ABC News, 15 July 2025
The largest internal organ is the liver, roughly the size of a football and weighing 3 to 3.5 pounds.
—Scott Lafee, San Diego Union-Tribune, 15 July 2025
See All Example Sentences for internal
Cite this Entry
“Internal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/internal. Accessed 21 Jul. 2025.
Copy CitationKids Definition
internal
adjective
in·ter·nal
in-ˈtərn-ᵊl
1
: existing or lying within : inner
internal structure
2
: relating to, occurring, or located in the body
3
: of, relating to, or occurring on the inside of an organized structure (as a company or state)
internal affairs
Medical Definition
internal
adjective
in·ter·nal
in-ˈtərn-ᵊl
1
: existing or situated within the limits or surface of something: as
a
: situated near the inside of the body
an internal layer of abdominal muscle
b
: situated on the side toward the midsagittal plane of the body
the internal surface of the lung
2
: present or arising within an organism or one of its parts
an internal stimulus
3
: applied or intended for application through the stomach by being swallowed
an internal remedy
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