dinky vs Great Britain

dinky and Great Britain both are nouns.

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

dinky (noun)	Great Britain (noun)
a small locomotive	an island comprising England and Scotland and Wales
	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

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