We found 17 dictionaries that define the word null and void:

General (8 matching dictionaries)

1. null and void: Longman Dictionary of Contemporary English
2. null and void: Merriam-Webster
3. null and void: Cambridge Advanced Learner's Dictionary
4. null and void: Wiktionary
5. null and void: Dictionary.com
6. Null and void: Wikipedia, the Free Encyclopedia

Business (5 matching dictionaries)

7. MoneyGlossary.com (No longer online)
8. INVESTORWORDS (No longer online)
9. null and void: Legal dictionary
10. null and void: Financial dictionary
11. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

12. Null and Void: Encyclopedia

Medicine (1 matching dictionary)

13. Null and Void: Medical dictionary

Miscellaneous (1 matching dictionary)

14. null and void: Idioms

Slang (1 matching dictionary)

15. Null and void: Urban Dictionary

Definitions from Wiktionary (null and void) ▸ adjective:  (idiomatic, law) invalid, cancelled, unenforceable Similar: unnullified, void, nude, nonvoidable, nullified, unvoidable, unannullable, unvoided, inoperative, nonvoid, more... Opposite: valid, effective, binding, enforceable Types: unenforceable, invalid, voidable, illegal, more... Phrases: render null and void, make null and void, more... Adjectives: nulled, invalidated, nullified, prohibitive, irritant, restrained, interdicted, invalid, verboten, prohibitory ▸ Words similar to null and void ▸ Usage examples for null and void ▸ Idioms related to null and void ▸ Wikipedia articles (New!) ▸ Popular nouns described by null and void ▸ Words that often appear near null and void ▸ Rhymes of null and void ▸ Invented words related to null and void