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We found 44 dictionaries with English definitions that include the word um:
Click on the first link on a line below to go directly to a page where "um" is defined.

General (25 matching dictionaries)

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

Art (2 matching dictionaries)

24. Um: Warhammer Dwarven Word List [home, info]
25. -um: A Cross Reference of Latin and Greek Elements [home, info]

Business (5 matching dictionaries)

26. UM: MoneyGlossary.com [home, info]
27. UM: Travel Industry Dictionary [home, info]
28. UM: Bloomberg Financial Glossary [home, info]
29. UM: Health Insurance Glossary [home, info]
30. UM: Financial dictionary [home, info]

Computing (4 matching dictionaries)

31. um: Free On-line Dictionary of Computing [home, info]
32. UM (Unified Messaging): CCI Computer [home, info]
33. UM: I T Glossary [home, info]
34. UM: Encyclopedia [home, info]

Medicine (3 matching dictionaries)

35. um: Glossary of Lasik Laser Eye Surgery [home, info]
36. um: online medical dictionary [home, info]
37. -um: Medical dictionary [home, info]

Miscellaneous (2 matching dictionaries)

38. UM: Acronym Finder [home, info]
39. UM: AbbreviationZ [home, info]

Science (2 matching dictionaries)

40. um: Dictionary of Botanical Epithets [home, info]
41. UM, um: A Dictionary of Quaternary Acronyms and Abbreviations [home, info]

Slang (1 matching dictionary)

42. U.M, um: Urban Dictionary [home, info]

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (Um) ▸ name:  A surname (very rare: popularity rank in the U.S.: #23328) ▸ Word origin ▸ Words similar to um ▸ Usage examples for um ▸ Idioms related to um (New!) ▸ Words that often appear near um ▸ Rhymes of um ▸ Invented words related to um