The term "loquacious fishwives" refers to women who are talkative and opinionated, particularly when it comes to matters relating to the fishing industry or seafood. Some synonyms for this phrase could include "chatty fishmongers," "garrulous seafood sellers," "verbose fish market vendors," or "voluble fishmonger wives." Alternatively, one could use more general terms for talkative women, such as "gossipy conversationalists," "wordy communicators," or "chattering speakers." Ultimately, the choice of synonym will depend on the context in which the term is being used and the specific nuances that the writer wishes to convey.