The word "winx" has a few potential meanings depending on the context in which it is being used. However, if we assume it's related to the animated TV show, it could be used as a name of a group of fairies. Some possible synonyms for "winx" could be "fairies," "sylphs," "sprites," or "nymphs." Alternatively, if it's being used as a shorthand for "winks," synonyms could include "blinks," "nods," or "flashes." Overall, the context is exceedingly important when selecting synonyms for any given word, and this is especially true when dealing with relatively obscure or niche terminology like "winx".