The word "inter-mingled" refers to things or individuals that are mixed up or blended together. The antonym for inter-mingled is "separated," which means to divide or to cause things to be apart. The word "segregated" could also be an antonym for inter-mingled, which implies that things or individuals are kept apart from each other, often due to social, racial, or cultural differences. Another antonym for inter-mingled is "isolated," which means to be alone, detached, or cut off from others. When objects or persons are not intermingled, they can be said to be distinct, independent, or separated.