listen to the pronunciation of word-of-mouth
Englisch - Englisch
Alternative spelling of word of mouth
expressed orally; "a viva-voce report"; "the film had good word-of-mouth publicity"
Verbal means of passing of information

The book didn't need any publicity spots, it was a bestseller solely by word of mouth.

Communication by oral rather than written means

The merchant told us that the best customers he had were recommended to him by word of mouth.

gossip spread by spoken communication; "the news of their affair was spread by word of mouth"
hearsay, rumors
Advertising generated by satisfied or interested readers who tell others about the book
awareness raised by public discussion
Opinions about the value of products passed among consumers in informal discussions
An unpaid form of promotion in which satisfied customers tell other people how much they like a store