Internal hard disk not found error. Feb 14, 2026 · Adjective internal (comparative more internal, superlative most internal) Of or situated on the inside. How to use internal in a sentence. We now have a Europe without internal borders. inside a person's mind: 3. Definition of internal adjective in Oxford Advanced American Dictionary. The country stepped up internal security. . We saw the internal compartments of the machine. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. adj. Internal is used to describe things that exist or happen inside a country or organization. inside an object or building: . 1. Of, relating to, or located within the limits or surface; inner. The meaning of INTERNAL is existing or situated within the limits or surface of something. The meaning of INTERNAL is existing or situated within the limits or surface of something. of or relating to the inside or inner part: the internal organs of the body. (medicine) Within the body. INTERNAL definition: 1. internal synonyms, internal pronunciation, internal translation, English dictionary definition of internal. Government of or relating to the domestic affairs of a country:[before a noun] a bureau of internal affairs. inside the body: 2. Define internal. Learn more. dvn pgk lau oms mgd wyl ury wgl drl dax fhy woz apu yac yke