How to Say “You’re Dumb” in Russian

Ты тупой
[tɨ tʊˈpoj]word by word
The English phrase "you're dumb" translates to Russian as Ты тупой.
The expression Ты тупой can be used casually to convey that someone lacks intelligence. In contrast, Ты дурак means "You're stupid" and is used in informal settings and can be used playfully among friends.

Which one should you use?

The default form Ты тупой is used when addressing a male or is the grammatically neutral form. If you are addressing a female, you must use the feminine form Ты тупая.

Is there a formal and an informal way to say it?

The phrase Ты тупой is highly informal and can be perceived as an insult or a blunt provocation.

How does it change in a sentence?

The adjective changes to the feminine form тупая if you are addressing a female.

Did you know?

  • The word тупой does not only mean 'dumb' or 'stupid', it is also the standard word used to describe a 'blunt' or 'dull' knife.
  • In Russian, using the formal Вы ('you') with an insult like тупой is a common way to express extreme contempt or coldness rather than politeness.
  • The word ты is a cognate of the English word 'thee', as both descend from the same Proto-Indo-European root.

Examples in context

  • Ты глуп, но мне без тебя скучно.
    You're dumb, but I'm bored without you.
  • Ты тупой, если веришь этому.
    Ty tupoy, yesli verish' etomu.
    You're dumb if you believe this.
  • Перестань так говорить, ты тупой!
    Perestan' tak govorit', ty tupoy!
    Stop talking like that, you're dumb!
  • Я не хочу с тобой спорить, ты тупой.
    Ya ne khochu s toboy sporit', ty tupoy.
    I don't want to argue with you, you're dumb.

Example conversation

Two friends are arguing about a silly mistake during a game.

  1. Дмитрий Dmitry

    Я просто не понял правила.
    Ya prosto ne ponyal pravila.
    I just didn't understand the rules.
  2. Екатерина Ekaterina

    Это было очень просто, ты тупой!
    Eto bylo ochen' prosto, ty tupoy!
    It was very simple, you're dumb!
  3. Дмитрий Dmitry

    Не злись на меня, Екатерина.
    Ne zlis' na menya, Ekaterina.
    Don't be mad at me, Ekaterina.
  4. Екатерина Ekaterina

    Ты меня злишь своим поведением.
    Ty menya zlish' svoim povedeniyem.
    You annoy me with your behavior.

Sources

  • IPA marked “word by word” joins the Wiktionary pronunciations of each word (ты, тупой) and can differ in connected speech.
  • Word origins: Wiktionary entries тупой, ты, CC BY-SA 4.0.
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Lachlan Luca
Lachlan LucaHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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