We found 11 dictionaries that define the word umps:

General (7 matching dictionaries)

1. umps: Merriam-Webster
2. umps: Collins English Dictionary
3. umps: Vocabulary.com
4. Umps, ump's, umps: Wordnik
5. umps: Wiktionary
6. umps: Dictionary.com
7. umps: TheFreeDictionary.com

Computing (1 matching dictionary)

8. umps: Encyclopedia

Medicine (1 matching dictionary)

9. umps: Medical dictionary

Miscellaneous (1 matching dictionary)

10. UMPS: Acronym Finder

Slang (1 matching dictionary)

11. Umps: Urban Dictionary

(Note: See ump as well.)

Definitions from Wiktionary (UMP) ▸ noun:  (sports, informal) An umpire. ▸ verb:  (ambitransitive) To act as an umpire (in). ▸ noun:  Initialism of uridine monophosphate. ▸ Also see ump Opposite: players, batters, fielders, athletes ▸ Words similar to umps ▸ Usage examples for umps ▸ Idioms related to umps ▸ Wikipedia articles (New!) ▸ Popular adjectives describing umps ▸ Words that often appear near umps ▸ Rhymes of umps ▸ Invented words related to umps