We found 41 dictionaries that define the word um:

General (23 matching dictionaries)

1. um: Longman Dictionary of Contemporary English
2. um: Merriam-Webster
3. um: Oxford Learner's Dictionaries
4. um: American Heritage Dictionary of the English Language
5. -um, um: Collins English Dictionary
6. U.M, UM, Um, Um, um, uM: Wordnik
7. um: Cambridge Advanced Learner's Dictionary
8. 'um, -um, um, um-: Wiktionary
9. um: Webster's New World College Dictionary, 4th Ed.
10. um: Infoplease Dictionary
11. UM, .um: Dictionary.com
12. um: Online Etymology Dictionary
13. um: Cambridge Essential American English Dictionary
14. UM (company), UM, Um (Korean name), Um, -um, .um: Wikipedia, the Free Encyclopedia
15. Um: Rhymezone
16. um: AllWords.com Multi-Lingual Dictionary
17. U.M, UM: Stammtisch Beau Fleuve Acronyms
18. um: FreeDictionary.org
19. um: TheFreeDictionary.com
20. um: Wikimedia Commons US English Pronunciations
21. Um (Korean surname): Wikipedia, the Free Encyclopedia

Art (2 matching dictionaries)

22. Warhammer Dwarven Word List (No longer online)
23. -um: A Cross Reference of Latin and Greek Elements

Business (4 matching dictionaries)

24. MoneyGlossary.com (No longer online)
25. Travel Industry Dictionary (No longer online)
26. Health Insurance Glossary (No longer online)
27. UM: Financial dictionary

Computing (4 matching dictionaries)

28. um: Free On-line Dictionary of Computing
29. UM (Unified Messaging): CCI Computer
30. I T Glossary (No longer online)
31. UM: Encyclopedia

Medicine (3 matching dictionaries)

32. um: Glossary of Lasik Laser Eye Surgery
33. online medical dictionary (No longer online)
34. -um: Medical dictionary

Miscellaneous (2 matching dictionaries)

35. UM: Acronym Finder
36. AbbreviationZ (No longer online)

Science (2 matching dictionaries)

37. um: Dictionary of Botanical Epithets
38. UM, um: A Dictionary of Quaternary Acronyms and Abbreviations

Slang (1 matching dictionary)

39. U.M, um: Urban Dictionary

Definitions from Wiktionary ( ) ▸ verb:  (intransitive) To make the um sound to express uncertainty or hesitancy. ▸ noun:  Initialism of University of Miami. ▸ noun:  Initialism of University of Michigan. ▸ noun:  (philately) Initialism of unmounted mint. Similar: but, coach, dad, dan, listen, look, mother, okay, then, this, more... Opposite: clear, decisive, certain, confident, assertive Types: uh, er, ah, hm, well, let me see, you know, more... Phrases: no see um, exotheci um, um and ah, um d, um flint, more... ▸ Word origin ▸ Words similar to um ▸ Usage examples for um ▸ Idioms related to um ▸ Wikipedia articles (New!) ▸ Popular adjectives describing um ▸ Words that often appear near um ▸ Rhymes of um ▸ Invented words related to um