colorful vs colourful

colorful and colourful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
colorful	No	Yes	No	No
colourful	No	Yes	No	No

As adjectives, colorful and colourful are synonyms defined as:

As adjectives, colorful and colourful are synonyms defined as:

colorful and colourful: having color or a certain color; sometimes used in combination

Other synonyms of colorful include colored, coloured.

As adjectives, colorful and colourful are synonyms defined as:

colorful (adjective)	colourful (adjective)
having much or varied color	having much or varied color
having color or a certain color; sometimes used in combination	striking in variety and interest
striking in variety and interest	having color or a certain color; sometimes used in combination