(UK, informal) intensifier for a preceding adjective.

(idiomatic, colloquial, MLE) You (plural).

(idiomatic, chiefly as imperative, derogatory, colloquial, dismissal) A forceful expression of anger, dismissal, or contempt directed at someone.

Used other than figuratively or idiomatically: see are, you, alright. / (UK) A greeting.

Alternative spelling of thank-you.

Short for (may) God bless you: said as a short prayer for the recipient. / (idiomatic) Said to someone who has just sneezed, as a polite remark.

(colloquial) Ellipsis of I love you.

Alternative form of all of you; plural form of you, including everyone being addressed. / (idiomatic, chiefly Southern US, colloquial) plural form of you or singular formal form of you.

Alternative spelling of you all

(African-American Vernacular) Pronunciation spelling of you're welcome.