queer

Short definition from Wiktionary

Adjective

1. 1
   Strange, odd, or different; whimsical.
2. 2
   Slightly unwell.
3. 3
   Drunk.
4. 4
   Homosexual.
5. 5
   Non-heterosexual or non-cisgender: homosexual, bisexual, asexual, transgender, etc.
6. 6
   Pertaining to sexual or gender behaviour or identity which does not conform to conventional heterosexual or cisgender norms, assumptions etc.
7. 7
   Of or relating to the culture surrounding queer people.

Noun

1. 1
   A person who is or appears homosexual, or who has homosexual qualities.
2. 2
   A person of any non-heterosexual sexuality or sexual identity.
3. 3
   A person of any genderqueer identity.
4. 4
   Counterfeit money.

Verb

1. 1
   To render an endeavor or agreement ineffective or null.
2. 2
   To puzzle.
3. 3
   To ridicule; to banter; to rally.
4. 4
   To spoil the effect or success of, as by ridicule; to throw a wet blanket on; to spoil.
5. 5
   To reevaluate or reinterpret (a work) with an eye to sexual orientation and/or to gender, as by applying queer theory.
6. 6
   To make a work more appealing or attractive to LGBT people, such as by not having strict genders for playable characters.

Adverb

1. 1
   Queerly.
2. 2
   Very, extremely.