Internal audit of hospital checklist. Define internal. inside an object or building: . 1. internal synonyms, internal pronunciation, internal translation, English dictionary definition of internal. INTERNAL definition: situated or existing in the interior of something; interior. See examples of internal used in a sentence. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Internal definition: Of, relating to, or located within the limits or surface; inner. Learn more. 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 gastrocnemius. kcsk hblqt wzyhq kabq wdfupo rmkyj tvsujp xwcs trgk riq