To dream about a ferret represents a lack of faith in others in your life. This dream can also indicate that you may be searching for something.... Dream Symbols and Analysis
A dream featuring this shrewd little animal is a warning not to repeat gossip, even to your immediate family.... The Complete Guide to Interpreting Your Dreams
Ferrets are lively, playful and easily tamed, but they need a lot of space. They can also inflict severe bites and emit a strong, musky smell. Although ferrets can appear very tame, they are not easy to look after as they often try to escape because, as a pet, they feel confined in the small places that we typically provide for them. To see a ferret in your dream may therefore suggest distrust and suspicion of others. The dream may also be a pun on the idea of ‘searching’ or ‘ferreting around’. Before getting any pet, you should think very hard about whether you can provide everything it needs; this is especially true for ferrets, so if you dream of one, are you giving yourself or someone you know all the care and attention they or you need?... The Element Encyclopedia
Suggestive of inquisitiveness—the ability to ferret or find out things—as well of selfish actions that can injure another person’s feelings. (The ermine was traditionally linked with virgin saints and thus purity.)... The Element Encyclopedia
Vision: Seeing a polecat is a warning: pay more attention to your physical body.
If you have problems or troubles, don’t delay in seeing your physician. Sometimes the polecat is also a warning about a dishonest person who wants to steal something from you (but you would have to literally “smell” the deceit!).... Dreamers Dictionary