adjective

• Of or situated on the inside.
• (medicine) Within the body.
• Concerned with the domestic affairs of a nation, state or other political community.
• Concerned with the non-public affairs of a company or other organisation.
• (biology) Present or arising within an organism or one of its parts.
• (pharmacology) Applied or intended for application through the stomach by being swallowed.
• Experienced in one's mind; inner rather than expressed.
• Of the inner nature of a thing.
• (Britain, education, of a student) Attending a university as well as taking its examinations.