We found 16 dictionaries that define the word by far:

General (14 matching dictionaries)

1. by far: Merriam-Webster
2. by far: Oxford Learner's Dictionaries
3. by far: Collins English Dictionary
4. by far: Vocabulary.com
5. by far: Wordnik
6. by far: Cambridge Advanced Learner's Dictionary
7. by far: Wiktionary
8. By far, by far: Dictionary.com
9. by far: Rhymezone
10. by far: FreeDictionary.org
11. by far: Mnemonic Dictionary
12. by far: TheFreeDictionary.com

Miscellaneous (1 matching dictionary)

13. by far: Idioms

Slang (1 matching dictionary)

14. by far: Urban Dictionary

Definitions from WordNet (by far) ▸ adverb:  by a considerable margin ("She was by far the smartest student") Opposite: nearly, almost, close Types: most, greatest, least, fewest, largest, smallest, more... Phrases: by far the most, more... ▸ Words similar to by far ▸ Usage examples for by far ▸ Idioms related to by far ▸ Wikipedia articles (New!) ▸ Words that often appear near by far ▸ Rhymes of by far ▸ Invented words related to by far