colourful vs deep

colourful is not a noun while deep is a noun.

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

colourful (noun)	deep (noun)
	a long steep-sided depression in the ocean floor
	literary term for an ocean
	the central and most intense or profound part

colourful (adjective)	deep (adjective)
having much or varied color	having great spatial extension or penetration downward or inward from an outer surface or backward or laterally or outward from a center; sometimes used in combination
striking in variety and interest	relatively deep or strong; affecting one deeply
having color or a certain color; sometimes used in combination	exhibiting great cunning usually with secrecy
	strong; intense
	very distant in time or space
	difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge
	of an obscure nature
	intense or extreme
	large in quantity or size
	with head or back bent low
	having or denoting a low vocal or instrumental range
	marked by depth of thinking
	relatively thick from top to bottom
	extending relatively far inward
	(of darkness) densely dark