curious vs queer

curious is not a noun while queer is a noun.

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

As adjectives, curious and queer are synonyms defined as:

Other synonyms of curious include funny, odd, peculiar, rum, rummy, singular.

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

curious (adjective)	queer (adjective)
eager to investigate and learn or learn more (sometimes about others' concerns)	homosexual or arousing homosexual desires
beyond or deviating from the usual or expected	beyond or deviating from the usual or expected

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