We found 6 dictionaries that define the word all's fair in love and war:

General (5 matching dictionaries)

1. all's fair in love and war: Merriam-Webster
2. all's fair in love and war: Oxford Learner's Dictionaries
3. All's fair in love and war: Cambridge Advanced Learner's Dictionary
4. all's fair in love and war: Wiktionary
5. All's fair in love and war: Dictionary.com

Miscellaneous (1 matching dictionary)

6. All's fair in love and war: Idioms

▸ Words similar to all's fair in love and war ▸ Usage examples for all's fair in love and war ▸ Idioms related to all's fair in love and war ▸ Wikipedia articles (New!) ▸ Words that often appear near all's fair in love and war ▸ Rhymes of all's fair in love and war ▸ Invented words related to all's fair in love and war