We found 5 dictionaries that define the word if all else fails:

General (4 matching dictionaries)

1. if all else fails: Merriam-Webster
2. if all else fails: Cambridge Advanced Learner's Dictionary

Miscellaneous (1 matching dictionary)

3. if all else fails: Idioms

▸ Words similar to if all else fails ▸ Usage examples for if all else fails ▸ Idioms related to if all else fails ▸ Wikipedia articles (New!) ▸ Words that often appear near if all else fails ▸ Rhymes of if all else fails ▸ Invented words related to if all else fails