We found 14 dictionaries that define the word of necessity:

General (13 matching dictionaries)

1. of necessity: Longman Dictionary of Contemporary English
2. of necessity: Merriam-Webster
3. of necessity: Oxford Learner's Dictionaries
4. of necessity: Collins English Dictionary
5. of necessity: Vocabulary.com
6. of necessity: Wordnik
7. Of necessity, of necessity: Dictionary.com
8. of necessity: Rhymezone
9. of necessity: FreeDictionary.org
10. of necessity: Mnemonic Dictionary
11. of necessity: TheFreeDictionary.com

Business (1 matching dictionary)

12. of necessity: Merriam-Webster Legal Dictionary

Definitions from WordNet (of necessity) ▸ adverb:  in such a manner as could not be otherwise Phrases: make a virtue of necessity, certificate of necessity, defence of necessity, defense of necessity, money of necessity, more... ▸ Words similar to of necessity ▸ Usage examples for of necessity ▸ Idioms related to of necessity ▸ Wikipedia articles (New!) ▸ Words that often appear near of necessity ▸ Rhymes of of necessity ▸ Invented words related to of necessity