The word "in-geminate" means to repeat or duplicate. Its antonyms are words that have opposite meanings. Some antonyms for "in-geminate" are: simplify, condense, reduce, abbreviate, summarize, decrease, contract, shorten, minimize, and compress. These words imply the act of reducing or decreasing something, instead of repeating or duplicating it. Synonyms and antonyms are important tools in language and communication, allowing us to express ourselves more effectively and accurately. By using the right words, we can convey our thoughts and ideas more clearly, and avoid confusion or misunderstandings.