We found 26 dictionaries that define the word omb:

General (18 matching dictionaries)

1. omb: Longman Dictionary of Contemporary English
2. OMB, OMB: Merriam-Webster
3. OMB: Oxford Learner's Dictionaries
4. OMB: American Heritage Dictionary of the English Language
5. OMB: Collins English Dictionary
6. OMB: Vocabulary.com
7. omb: Wordnik
8. OMB: Wiktionary
9. OMB: Webster's New World College Dictionary, 4th Ed.
10. OMB: The Wordsmyth English Dictionary-Thesaurus
11. OMB: Infoplease Dictionary
12. OMB, o.m.b: Dictionary.com
13. OMB: Wikipedia, the Free Encyclopedia
14. Omb: Rhymezone
15. OMB: Stammtisch Beau Fleuve Acronyms
16. omb: FreeDictionary.org
17. omb: Mnemonic Dictionary
18. OMB: TheFreeDictionary.com

Business (3 matching dictionaries)

19. OMB: Merriam-Webster Legal Dictionary
20. OMB: Webster's New World Finance & Investment Dictionary
21. C-SPAN Congressional Glossary (No longer online)

Computing (1 matching dictionary)

22. OMB: Netlingo

Miscellaneous (2 matching dictionaries)

23. OMB: Acronym Finder
24. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

25. omb: Urban Dictionary

Tech (1 matching dictionary)

26. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

(Note: See ombs as well.)

Definitions from Wiktionary (OMB) ▸ noun:  Initialism of Office of Management and Budget (US) ▸ noun:  Initialism of Ontario Municipal Board (Canada) Similar: Office of Management and Budget, CRA, BOM, Allan, roc, Klein, kew, Moscow, exploder, North Korea, more... Types: ombudsman, more... Phrases: OMB Peezy, OMB Circular A-130, OMB A-133 Compliance Supplement, OMB Circular A-123, more... Adjectives: new, federal, original, more, conscious ▸ Words similar to omb ▸ Usage examples for omb ▸ Idioms related to omb ▸ Wikipedia articles (New!) ▸ Popular adjectives describing omb ▸ Words that often appear near omb ▸ Rhymes of omb ▸ Invented words related to omb