uno

1. UnoA term said when the number of cards in player’s hand is reduced to one. If another player says this before the one whose hand contains only one card, the player who failed to say 'uno' must draw two cards.

alternative UNO

1. A card game similar to crazy eights, played with specially printed cards that have colours instead of suits.

   With five kids, I’ve played a lot of Uno over the years, and I’m going to be honest: Uno is less of a card game and more of a test of your fortitude and moral character.

   2025 June 29, Charlotte Hilton Andersen, “Here Are the Official Uno Rules—And the Super-Fun Unofficial Ones Too”, in Reader's Digest, archived from the original on 21 Nov 2025

plural Unos

1. A female given name from Japanese.
2. A surname from Japanese.

alternative U.N.O. · alternative U. N. O.

1. abbreviationinitialismInitialism of United Nations Organization.

1. Alternative letter-case form of Uno (“card game”).

   You will get a reverse card in UNO (YESN’T) and then you will eat chicken legs.

   2020 winter, Tito S., Vicente M., “Horoscopes”, in The Good Times, volume XI, number III, Los Angeles, Calif.: 826LA, Journalism Workshop

   2 more examples

   To be able to profit from the moment of playfulness we combined the card-game UNO with some additional question cards following the standard rules of the game. We chose this well-known card game as basis, because it is easy to play for children, but also addresses adults.

   2007 Regina Bernhaupt, Astrid Weiss, Marianna Obrist and Manfred Tscheligi, “Playful Probing: Making Probing More Fun”, Human-computer interaction—INTERACT 2007, volume 1, page 610

   Everybody knows how to play UNO but this time there’s a twist, every time you get a ‘Skip’ or ‘Draw’ card you have to take a shot of this …

   2010, Marlon McCaulsky, “Real Love”, in Marlon McCaulsky, Jarold Imes, Love & Life, Winston-Salem, N.C.: Abednego’s Free, LLC, →ISBN, chapter 3 (Drinking UNO- November 10ᵗʰ 1994), page 27