Exteriority is a concept that denotes the quality of being external or outward. It pertains to the outside or surface of something or someone. However, there are instances when the opposite of exteriority can be useful in expressing ideas or thoughts. Some of the antonyms for exteriority are interiority, internality, and inwardness. Interiority pertains to the quality of being internal, inner, or inside. It denotes the inner or subjective experience of a person or object. Internality, on the other hand, refers to the quality of being internal, inherent, or intrinsic. It pertains to the essential or inherent nature of something. Inwardness, meanwhile, denotes the quality of being inward or introspective. It refers to a person's inner thoughts or feelings.