Feathered in is often used to describe something that has been seamlessly integrated or merged together. The antonyms for feathered in, on the other hand, are words that connote separation, differentiation or independence. Some antonyms for feathered in include segregated, isolated, disparate, detached, divided, disconnected, disjoined, and detached. These words describe a state where things are divided into distinct and isolated parts, lacking cohesion or integration. They create a mental image of things that are distant and disconnected, rather than united or interconnected in some way. Thus, the antonyms for feathered in highlight a lack of unity or integration, which is the opposite of what feathered in connotes.