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.
(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.