(informal) Abbreviation of extreme.

The twenty-fourth letter of the English alphabet, called ex and written in the Latin script.

Any mark that looks like that letter, such as a mark made by a person who cannot read or write in lieu of a signature. / (lacrosse) The spot behind the goal.

Used to represent a value that may vary: see x.

The twenty-fourth letter of the English alphabet, called ex and written in the Latin script.

(slang) Used to replace a -ks- sound, such as in hax (“hacks”), pix (“pics”), punx (“punks”), folx (“folks”).

An abbreviation marker.

(neologism) Used to replace a gendered suffix, such as in alumnx, Chicanx, Latinx.

(fandom slang) Used between the names of two characters to denote a ship, particularly in anime, manga, and video games. / (music) Used in place of and in artist collaborations.

Alternative letter-case form of X (“intersex or non-binary, in passports and identification documents”)