We found 27 dictionaries that define the word losing:

General (19 matching dictionaries)

1. losing: Merriam-Webster
2. losing: American Heritage Dictionary of the English Language
3. losing: Collins English Dictionary
4. losing: Vocabulary.com
5. Losing, losing: Wordnik
6. losing: Cambridge Advanced Learner's Dictionary
7. losing: Wiktionary
8. losing: Webster's New World College Dictionary, 4th Ed.
9. losing: The Wordsmyth English Dictionary-Thesaurus
10. losing: Infoplease Dictionary
11. Losing, losing: Dictionary.com
12. losing: Cambridge Essential American English Dictionary
13. Losing (Tenth Avenue North song), Losing (album), Losing: Wikipedia, the Free Encyclopedia
14. Losing: Online Plain Text English Dictionary
15. Losing: AllWords.com Multi-Lingual Dictionary
16. losing: Webster's 1828 Dictionary
17. losing: FreeDictionary.org
18. losing: TheFreeDictionary.com
19. losing: Webster's Revised Unabridged, 1913 Edition

Business (1 matching dictionary)

20. losing: Legal dictionary

Computing (2 matching dictionaries)

21. losing: Encyclopedia
22. losing: Free On-line Dictionary of Computing

Medicine (2 matching dictionaries)

23. losing: Merriam-Webster Medical Dictionary
24. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

25. losing: Idioms

Slang (1 matching dictionary)

26. LOSing: Urban Dictionary

Tech (1 matching dictionary)

27. Losing: Science In Your Watershed: Hydrologic Definitions

(Note: See lose as well.)

Definitions from Wiktionary (losing) ▸ adjective:  That loses or has lost. ▸ noun:  The process by which something is lost; a loss. Similar: unsuccessful, loosing, regaining, gaining, forfeiting, winning, retaining, risking, ruining, relinquishing, more... Opposite: winning, succeeding, conquering, triumphing, prevailing Types: defeat, failure, loss, more... Phrases: losing weight, losing it, losing ground, losing sight, losing battle, more... Adjectives: salt, worth, protein, other, constant, more, money, face, latter, daily, gradual Colors:     gray,     black,     brown,     dark blue,     dark gray, more... ▸ Words similar to losing ▸ Usage examples for losing ▸ Idioms related to losing ▸ Wikipedia articles (New!) ▸ Popular adjectives describing losing ▸ Popular nouns described by losing ▸ Words that often appear near losing ▸ Rhymes of losing ▸ Invented words related to losing