We found 24 dictionaries that define the word colouring:

General (16 matching dictionaries)

1. colouring: Merriam-Webster
2. colouring: Oxford Learner's Dictionaries
3. colouring: Collins English Dictionary
4. colouring: Vocabulary.com
5. Colouring, colouring: Wordnik
6. colouring: Cambridge Advanced Learner's Dictionary
7. colouring: Wiktionary
8. colouring: Dictionary.com
9. Colouring: Wikipedia, the Free Encyclopedia
10. colouring: Rhymezone
11. colouring: FreeDictionary.org
12. colouring: Mnemonic Dictionary
13. colouring: TheFreeDictionary.com
14. colouring: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

15. colouring: Legal dictionary

Computing (1 matching dictionary)

16. colouring: Encyclopedia

Medicine (2 matching dictionaries)

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

Miscellaneous (1 matching dictionary)

19. colouring: Idioms

Science (1 matching dictionary)

20. colouring: PlanetMath Encyclopedia

Slang (2 matching dictionaries)

21. colouring: Green’s Dictionary of Slang
22. colouring: Urban Dictionary

(Note: See colour as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Of something that provides colour. ▸ noun:  (British, Canada) Alternative spelling of coloring [An act or process which applies color.] Similar: food coloring, color, food colouring, coloursome, illuminating, orient, carnation, green, delicate, cosmetic, more... Opposite: decolorizing, bleaching, whitening, discoloring Phrases: food colouring, protective colouring, colouring material, colouring book, colouring books, more... Adjectives: rich, local, brilliant, protective, vivid, red, bright, dark, strong, warm, delicate Colors:     red,     blue,     green,     yellow,     orange, more... ▸ Words similar to colouring ▸ Usage examples for colouring ▸ Idioms related to colouring ▸ Wikipedia articles (New!) ▸ Popular adjectives describing colouring ▸ Popular nouns described by colouring ▸ Words that often appear near colouring ▸ Rhymes of colouring ▸ Invented words related to colouring