🔴

Text style	Emoji style
🔴︎	🔴️
Text style is forced with ⟨︎⟩ and emoji style with ⟨️⟩.
🔴 U+1F534, 🔴 LARGE RED CIRCLE ← 🔳 Miscellaneous Symbols and Pictographs 🔵 →

A solid red circle.

🔴

1. (television, broadcasting) Live.
   • 2023 October 20, “🔴 Live: Pro-Palestinian protests erupt across Arab world as aid remains stuck at Gaza border”, in France24‎ (in English):

     [Title]

2. Stop.
   • 2009, David Whitbread, The Design Manual (in English), University of New South Wales Press, →ISBN, page 21:

     The red octagon means 'stop'; the upside-down white triangle with a red stripe around the edge means 'give way' or 'yield'; the green circle means 'go'; the red circle also means 'stop'; the unbroken yellow or white lines mean 'do not pass'.

3. An alert or warning.
   • 1992, Craig R. Wanke, Experimental Evaluation of Candidate Graphical Microburst Alert Displays (in English), American Institute of Aeronautics and Astronautics, page 22:

     Solid red circles indicate hazardous microbursts, alert information from all available sources has been integrated together.

4. Against; disagreement; no.
   • 2022 December 13, sapphireclad, Twitter‎ (in English):

     Riigikogu vote result on transitioning to Estonian language education
     🟢 For - 62
     🔴 Against - 16
     🟡 Didn't vote - 5
     ⚫️ Absent - 18

5. Incorrect.
   • 2011, Xavier L. Suarez, Democracy in America (in English), AuthorHouse, →ISBN, page 4:

     I had gotten the answer wrong, and the headmaster had therefore highlighted the question - and wrong answer - with a big red circle.

6. (cameras, television) Indicates a recording.
   • 2010, Robin Williams, John Tollett, Mac OS X 10.6 Snow Leopard (in English), Peachpit Press, →ISBN, page 182:

     A red Record light alerts both participants that recording is in progress.

7. (technology) A button to exit, close or delete something.
   • 2012, Joe Hutsko, Barbara Boyd, Macs All-in-One For Dummies (in English), Wiley, →ISBN, unnumbered page:

     When you finish, click the Close button (the red circle in the upper-left corner) to simply close the Safari window or choose Safari⇒Quit Safari to completely exit the application.

8. (technology) An error or invalid action; incomplete.
   • 2008, David Sawyer McFarland, Dreamweaver CS4: The Missing Manual (in English), O'Reilly Media, →ISBN, page 132:

     A fully red circle indicates that you're likely to see a problem in the specific browser. For example, the Internet Explorer problem related to links, lists, and the display property mentioned previously is nearly a sure thing.

9. (Internet slang, as an emoji) The colour red; or, representing something that is red.
   • 2023 October 20, wethinkpolling, Twitter‎ (in English):

     After their by-election drubbing, we've got even more bad news for the Conservatives as our latest voter intention tracker shows Labour stretching their lead to 21 points.
     
     🔴 Lab 48% (+4)

   1. Adds emphasis to what has been said.
      • 2018 November 29, UNESCO, Twitter (in English):

        🔴 BREAKING
        
        Ritual and festive expressions of the Congo culture has just been inscribed on the #IntangibleHeritage List. Congratulations #Panama🇵🇦 ! 👏

   2. (uncommon, often euphemistic) Female menstruation.
      • 2019 December 22, dianedotson22, Twitter‎ (in English):

        We packed over 300 @periodprojectsc 🔴 period packs tonight (and our goal was 100‼️) Thankful for our @CoryForSC Crew! #Cory2020

10. (graphical user interface, proscribed) A button that when pressed displays the previous page.
11. (graphical user interface, social media) An unread notification.
    • 2023 January 10, Sarah Vincent, “What Is That Red Dot on Your Apple Watch—and How Do You Get Rid of It?”, in Reader's Digest‎ (in English):

      The red dot on your Apple Watch is a signal that shows you have unread notifications. These can be anything from calls and texts to push notifications from apps, like somebody liking your post on Facebook or requesting to follow you on Instagram.

12. (social media) Do not disturb; busy.
    • 2024 December 19, “Discord”, in Discord Inc. (in Translingual):

      [On this freeware chat application, a 🔴 will appear below a user's profile picture if they set their status to the "do not disturb" option.]

13. (chiefly signage) Prohibited; forbidden.
    • 2015, Department for Transport, Know Your Traffic Signs‎, Fifth Edition, Seventeenth Impression edition (in English), The Stationery Office, →ISBN, page 16:

      Most regulatory signs are circular. A RED RING or RED CIRCLE indicates a prohibition.

14. (chiefly signage) Warning; caution; danger.
15. (video games) Indicates an enemy or target.
    • 2014, James Paul Gee, Unified Discourse Analysis: Language, Reality, Virtual Worlds and Video Games (in English), Taylor & Francis, →ISBN, page 40:

      Image from Metal Gear Solid, with Solid Snake as ⚪️ and his enemies represented by multiple 🔴.

16. (video games) Indicates an objective or goal.
17. (rare) Anger.

• As an emoji, the display of this character differs by operating system, ranging from a solid red circle to a polished (shiny) appearance.^[1]

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