Synonyms for the word "externals" refer to things outside of someone or something, such as physical features, appearances, and tangible objects. Some synonyms for externals include outer, surface, appearance, visible, superficial, outside, and externalities. These words are commonly used to describe various elements of our environment and help in comprehending the world outside of ourselves. For instance, we would use "externalities" to describe external forces that impact businesses, while "surface" and "superficial" describe the visible appearance and qualities of an object. Therefore, these synonyms for "externals" help us to better understand the outer appearance and characteristics of an object or person.