The word "cloys" means to cause boredom or a feeling of being too sweet or rich. There are many similar words that can be used as synonyms for "cloys". Some of the common synonyms for "cloys" are cloying, saccharine, sickly, oversweet, over-rich, nauseating, soporific, dull, tedious, tiresome, uninteresting, and bland. These synonyms can be used to describe things like food, drinks, or even a situation that becomes too repetitive or predictable, causing a feeling of boredom. It is important to have a good understanding of synonyms to help improve the quality of your writing and avoid redundancy or repetition.