whispererEtymologyFrom whisper + -er. The extended senses were popularized by the film The Horse Whisperer (1998).nounSomeone who whispers.Someone who tells secrets; a gossip.Someone who is skilled in taming or training a certain kind of animal, using gentle vocal commands and body language as opposed to physical contact. See horse whisperer.Someone who has an uncanny ability to control or manipulate a certain thing or person; an expert or guru in a particular field or subject“dog whisperer”