We found 8 dictionaries that define the word npb:

General (3 matching dictionaries)

1. NPB: Dictionary.com
2. NPB: Wikipedia, the Free Encyclopedia
3. NPB: Stammtisch Beau Fleuve Acronyms

Art (1 matching dictionary)

4. Glossary of Stamp Collecting Terms (No longer online)

Miscellaneous (2 matching dictionaries)

5. NPB: Acronym Finder
6. AbbreviationZ (No longer online)

Slang (2 matching dictionaries)

7. NPB, NPB: Urban Dictionary

Definitions from Wikipedia (NPB) ▸ noun:  Nippon Professional Baseball is the highest level of professional baseball in Japan. ▸ Words similar to npb ▸ Usage examples for npb ▸ Idioms related to npb ▸ Wikipedia articles (New!) ▸ Popular adjectives describing npb ▸ Words that often appear near npb ▸ Rhymes of npb ▸ Invented words related to npb