existing or situated within the limits or surface of something: such as; situated near the inside of the body; situated on the side toward the median plane of the body… See the full definition

INTERNAL definition: situated or existing in the interior of something; interior. See examples of internal used in a sentence.

INTERNAL definition: 1. inside the body: 2. inside a person's mind: 3. inside an object or building: . Learn more.

Internal is used to describe things that exist or happen inside a country or organization. The country stepped up internal security. We now have a Europe without internal borders.

Define internal. internal synonyms, internal pronunciation, internal translation, English dictionary definition of internal. adj. 1. Of, relating to, or located within the limits or surface; inner.

Feb 14, 2026 · Adjective internal (comparative more internal, superlative most internal) Of or situated on the inside. We saw the internal compartments of the machine. (medicine) Within the body.

Definition of internal adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

of or relating to the inside or inner part: the internal organs of the body. Government of or relating to the domestic affairs of a country:[before a noun] a bureau of internal affairs.

In anatomy and zoology, in general, inner or interior; not superficial; deep-set; away from the surface or next to the axis of the body or of a part: as, the internal carotid or iliac artery; the internal head of the …

Internal definition: Of, relating to, or located within the limits or surface; inner.