situated or existing in the interior of something; interior.

of, pertaining to, or noting the inside or inner part.

Pharmacology . oral ( def. 4 ) .

existing, occurring, or found within the limits or scope of something; intrinsic

a theory having internal logic.

of or pertaining to the domestic affairs of a country

the internal politics of a nation.

existing solely within the individual mind

internal malaise.

coming from, produced, or motivated by the psyche or inner recesses of the mind; subjective

an internal response.

Anatomy, Zoology . inner; not superficial; away from the surface or next to the axis of the body or of a part

the internal carotid artery.

present or occurring within an organism or one of its parts

an internal organ.

Usually, internals. entrails; innards.

an inner or intrinsic attribute.

adjective

external , outer

adjective

centralized , circumscribed , civic , constitutional , domestic , enclosed , gut , home , indigenous , inherent , in-house , innate , inner , innermore , inside , interior , intestine , intimate , intramural , intrinsic , inward , municipal , national , native , private , subjective , visceral , viscerous , inlying , endogenous , esoteric , immanent , implicit , internecine , intestinal , within