We found 20 dictionaries that define the word gaining:

General (12 matching dictionaries)

1. gaining: Merriam-Webster
2. gaining: Collins English Dictionary
3. gaining: Vocabulary.com
4. Gaining, gaining: Wordnik
5. gaining: Cambridge Advanced Learner's Dictionary
6. gaining: Wiktionary
7. Gaining, gaining: Dictionary.com
8. gaining: Cambridge Essential American English Dictionary
9. Gaining: Online Plain Text English Dictionary
10. Gaining: AllWords.com Multi-Lingual Dictionary
11. gaining: FreeDictionary.org
12. gaining: TheFreeDictionary.com

Business (3 matching dictionaries)

13. gaining: Merriam-Webster Legal Dictionary
14. gaining: Legal dictionary
15. gaining: Financial dictionary

Computing (1 matching dictionary)

16. gaining: Encyclopedia

Medicine (2 matching dictionaries)

17. gaining: Merriam-Webster Medical Dictionary
18. gaining: Medical dictionary

Miscellaneous (1 matching dictionary)

19. gaining: Idioms

Tech (1 matching dictionary)

20. Gaining: Science In Your Watershed: Hydrologic Definitions

(Note: See gain as well.)

Definitions from Wiktionary (gaining) ▸ noun:  Gain; profit. Similar: earn, gain ground, attain, take in, get ahead, derive, win, arrive at, bring in, make headway, more... Opposite: losing, declining, dropping, decreasing, diminishing Types: weight gain, fat gain, muscle gain, bone gain, water gain, lose weight, lose fat, lose muscle, more... Phrases: gaining ground, gaining control, weight gaining, gaining on, gaining ground on, more... Colors:     gold,     green,     silver,     blue,     purple, more... ▸ Words similar to gaining ▸ Usage examples for gaining ▸ Idioms related to gaining ▸ Wikipedia articles (New!) ▸ Popular adjectives describing gaining ▸ Words that often appear near gaining ▸ Rhymes of gaining ▸ Invented words related to gaining