internal

adjective

Synonyms of internalnext
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
3
: intrinsic, inherent
internal evidence of forgery in a document
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
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.
So even if your soil is loaded with calcium, and your garden is irrigated, plants may not able to transport enough calcium from the soil water into their internal structures. Dawn Pettinelli, Hartford Courant, 19 July 2026 The comparison is imprecise because prediction markets and gambling companies calculate activity differently, and the sportsbooks have not yet released their recent internal numbers. Nathaniel Popper, Fortune, 19 July 2026 The Times reported in March that the department was conducting an internal investigation into whether graphic crime scene photos of the July 2025 blast were improperly shared. Andrew Khouri, Los Angeles Times, 19 July 2026 Visceral fat surrounds your internal organs, like your liver and kidneys. Jillian Kubala, Health, 19 July 2026 See All Example Sentences for internal

Word History

Etymology

Middle English internalle, from Latin internus; akin to Latin inter between

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of internal was in the 15th century

Browse Nearby Words

Cite this Entry

“Internal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/internal. Accessed 26 Jul. 2026.

Kids Definition

internal

adjective
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
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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