unusual vs queer

unusual is not a noun while queer is a noun.

Word	Noun	Adjective	Verb	Adverb
unusual	No	Yes	No	No
queer	Yes	Yes	Yes	No

unusual (noun)	queer (noun)
	offensive term for a homosexual man

unusual (adjective)	queer (adjective)
not usual or common or ordinary	homosexual or arousing homosexual desires
being definitely out of the ordinary and unexpected; slightly odd or even a bit weird	beyond or deviating from the usual or expected
not commonly encountered

unusual (verb)	queer (verb)
	put in a dangerous, disadvantageous, or difficult position
	hinder or prevent (the efforts, plans, or desires) of