We found 12 dictionaries that define the word by word of mouth:

General (10 matching dictionaries)

1. by word of mouth: Merriam-Webster
2. by word of mouth: Collins English Dictionary
3. by word of mouth: Vocabulary.com
4. by word of mouth: Wordnik
5. by word of mouth: Cambridge Advanced Learner's Dictionary
6. By word of mouth, by word of mouth: Dictionary.com
7. by word of mouth: Rhymezone
8. by word of mouth: FreeDictionary.org
9. by word of mouth: Mnemonic Dictionary
10. by word of mouth: TheFreeDictionary.com

Business (1 matching dictionary)

11. by word of mouth: Legal dictionary

Miscellaneous (1 matching dictionary)

12. by word of mouth: Idioms

Definitions from WordNet (by word of mouth) ▸ adverb:  orally ▸ adverb:  by spoken rather than written means ("These stories were transmitted by word of mouth") Phrases: expressed by word of mouth, more... ▸ Words similar to by word of mouth ▸ Usage examples for by word of mouth ▸ Idioms related to by word of mouth ▸ Wikipedia articles (New!) ▸ Words that often appear near by word of mouth ▸ Rhymes of by word of mouth ▸ Invented words related to by word of mouth