Great Britain vs dinky

Great Britain and dinky both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
dinky	Yes	Yes	No	No

Great Britain (noun)	dinky (noun)
an island comprising England and Scotland and Wales	a small locomotive
a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom

Great Britain (adjective)	dinky (adjective)
	(British informal) pretty and neat
	small and unimpressive