Internal

1. (a.) Inward; interior; being within any limit or surface; enclosed; -- opposed to external; as, the internal parts of a body, or of the earth.

2. (a.) Derived from, or dependent on, the thing itself; inherent; as, the internal evidence of the divine origin of the Scriptures.

3. (a.) Pertaining to its own affairs or interests; especially, (said of a country) domestic, as opposed to foreign; as, internal trade; internal troubles or war.

4. (a.) Pertaining to the inner being or the heart; spiritual.

5. (a.) Intrinsic; inherent; real.

6. (a.) Lying toward the medial plane; medial.

Thesaurus Entries

bosom, center, central, cerebral, conceptive, conceptual, core, deep, deep-seated, deepest recesses, endopsychic, esoteric, gut, heart, heart of hearts, home, immanent, implanted, implicit, inalienable, indoor, indwelling, infixed, ingrained, inherent, inland, inmost, inner, inner landscape, inner life, inner man, inner nature, inner recess, inner self, innermost, inside, intellectual, intelligent, interior, interior man, intern, intestine, intimate, intrados, intrinsic, inward, inwrought, irreducible, mental, municipal, national, native, noetic, noological, penetralia, phrenic, private, psychic, psychologic, rational, reasoning, recesses, resident, secret, secret place, secret places, soul, spiritual, subjective, thinking, unalienable, unchallengeable, unquestionable, visceral, vital center, vitals