The word "ex-cites" refers to something that generates excitement or enthusiasm. However, there are several antonyms for this word, which means words that have an opposite meaning. Some of the antonyms for "ex-cites" include words like "depresses," "discourages," "disheartens," "dampens," and "represses." Each of these antonyms has a different shade of meaning, but they all convey the idea of inhibiting, suppressing, or reducing excitement. While it is important to understand the different meanings of these antonyms, it is also essential to remember that using the right words in a particular context requires a broad understanding of the English language.