We found 11 dictionaries that define the word nij:

General (8 matching dictionaries)

1. NIJ: Vocabulary.com
2. nij: Wordnik
3. NIJ: Dictionary.com
4. Nij: Rhymezone
5. NIJ: Stammtisch Beau Fleuve Acronyms
6. nij: FreeDictionary.org
7. nij: Mnemonic Dictionary
8. NIJ: TheFreeDictionary.com

Miscellaneous (2 matching dictionaries)

9. NIJ: Acronym Finder
10. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

11. NIJ: Urban Dictionary

(Note: See nijs as well.)

Definitions from WordNet (Nij) ▸ noun:  the law enforcement agency that is the research and development branch of the Department of Justice ▸ Words similar to nij ▸ Usage examples for nij ▸ Idioms related to nij ▸ Wikipedia articles (New!) ▸ Popular adjectives describing nij ▸ Words that often appear near nij ▸ Rhymes of nij ▸ Invented words related to nij