Queerest meaning : Weird, odd or different; whimsical. Slightly unwell (mainly in "to feel queer"). Drunk. (sometimes derogatory) Homosexual. (sometimes derogatory) Not heterosexual, or not 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.