queer vs LGBT

queer and LGBT both are nouns.

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

queer (noun)	LGBT (noun)
offensive term for a homosexual man	the community of people who have a non-normative gender and/or sexual identity, including lesbian, gay, bisexual, transgender, intersex, or asexual

queer (adjective)	LGBT (adjective)
homosexual or arousing homosexual desires
beyond or deviating from the usual or expected

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