There are several synonyms for the word "whisperers," including murmurers, mumbles, mutterers, hissers, and hushed talkers. These words all refer to individuals who speak in a low, soft voice, often in a secretive or conspiratorial manner. Whisperers may be engaging in confidential conversations, sharing secrets, or gossiping. They may also be trying to avoid being overheard by others. Depending on the context, the connotation of these synonyms can be positive or negative. On one hand, whisperers can be seen as trustworthy and good listeners. On the other hand, they may be perceived as manipulative or sneaky.