The word "inter-connected" represents the idea of being linked or related to each other. It has various synonyms, including related, interconnected, joined, linked, and associated. However, when we talk about antonyms for the word "inter-connected," there are several words that come to mind. The opposite words of "inter-connected" can be independent, separate, isolated, detached, and unconnected. These words indicate the absence of any link or relationship between different things, and they represent the opposite idea of interconnectedness. In essence, antonyms provide us with a clearer understanding of the meaning of a word by showing us what it is not.