queer
(dated outside Ireland, Scotland and Northern England) Weird, odd or different; whimsical.
(Britain, informal, dated) Slightly unwell.
(Britain, slang) Drunk.
(colloquial, sometimes derogatory) Homosexual.
(colloquial, sometimes derogatory) Non-heterosexual or non-cisgender: homosexual, bisexual, asexual, transgender, etc.
(broadly) Pertaining to sexual or gender behaviour or identity which does not conform to conventional heterosexual or cisgender norms, assumptions etc.
(colloquial, sometimes derogatory) A person who is or appears homosexual, or who has homosexual qualities.
(colloquial, sometimes derogatory) A person of any non-heterosexual sexuality or sexual identity.
(colloquial, sometimes derogatory) A person of any genderqueer identity.
(informal, archaic) Counterfeit money.
(dated) To render an endeavor or agreement ineffective or null.
(UK, dialect, dated) To puzzle.
(slang, dated) To ridicule; to banter; to rally.
(slang, dated) To spoil the effect or success of, as by ridicule; to throw a wet blanket on; to spoil.
"Food is what queered the party. We ordered a big supper to be sent up to the room about two o'clock. Alec didn't give the waiter a tip, so I guess the little bastard snitched."
(social sciences) To reevaluate or reinterpret (a work) with an eye to sexual orientation and/or to gender, as by applying queer theory.
(slang, LGBT, neologism) To make a work more appealing or attractive to LGBT people, such as by not having strict genders for playable characters.
Queerly.
(Ireland) Very, extremely.
Ah, but she was the queer old skeowsha anyhow, Anna Livia, trinkettoes!”