Is High Valyrian a Real Language? A Linguistic Answer

Quick Answer: Yes, High Valyrian is a real language, specifically a constructed one. David J. Peterson built it for HBO's Game of Thrones with a consistent sound system, a grammar of four noun genders and eight cases, and well over a thousand attested words. It is not a natural language: nobody grows up speaking it and it has no history outside Westeros and Essos. By the criteria linguists use, though, it is a working language, not a prop.

The question comes up because the show tells us High Valyrian is dead. In the story it is the classical tongue of a fallen empire, used by maesters, priests, and Targaryens much as Latin was used in medieval Europe. Viewers also notice that the lines sound consistent, that Daenerys's commands follow patterns, and that fans quote whole sentences. So is it real, or did the actors just make sounds?

This guide answers the question the same way we answer it for Elvish, Klingon, and Dothraki: by checking High Valyrian against the criteria linguists use to define a language.

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What Counts as a Language?

Linguists do not have one official checklist, but most would agree a language needs:

1. A sound system: a fixed set of sounds and rules for combining them.
2. A grammar: systematic rules for building words and sentences.
3. A lexicon: a vocabulary large enough to say a wide range of things.
4. Productivity: the ability to make new sentences nobody has said before.
5. Users: people who actually use it to communicate.

Natural languages meet all five because they were never designed. A constructed language meets them because someone designed it carefully. Here is how High Valyrian does.

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1. Sound System: Yes

High Valyrian has a defined set of consonants and vowels, and it uses vowel length to tell words apart. Long vowels are written with a macron (ā, ē, ī, ō, ū, ȳ) and held about twice as long as short ones. Stress follows a rule based on syllable weight, the same rule classical Latin uses. Dracarys is stressed DRAC-a-rys and kirimvose is stressed ki-RIM-vo-se, and the rule predicts both.

The rule is applied the same way across both shows. The details are in the High Valyrian Pronunciation Guide.

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2. Grammar: Yes, and It Is Large

This is where High Valyrian is clearly more than a list of words:

• Four noun genders with a meaning-based logic: lunar, solar, terrestrial, and aquatic.
• Eight cases: nominative, accusative, genitive, dative, locative, instrumental, comitative, and vocative.
• Verb conjugation for person, number, tense, and mood. Valar morghulis and valar dohaeris both use a necessity form of the verb.
• Agreement: adjectives match the nouns they describe.

That is more machinery than most natural languages in Western Europe have. A full walkthrough is in the High Valyrian Grammar Guide.

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3. Lexicon: Yes, With Limits

High Valyrian has well over a thousand attested words: written by Peterson, used in dialogue or published in his own notes. That covers family, emotion, warfare, dragons, politics, religion, and everyday basics.

It is still much smaller than the vocabulary of a natural language, or of Klingon, which has been developed since 1985. Most High Valyrian vocabulary comes from two shows' worth of scripted dialogue plus material Peterson released alongside them. Learners hit the edges sooner than they would in a natural language. That is a limit of size, not a sign the language is fake.

For a starting vocabulary, see 50 Essential High Valyrian Words.

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4. Productivity: Yes

A list of memorized lines would fail this test. High Valyrian passes because Peterson writes new dialogue for each production using the same rules, and fans who know the grammar can write correct sentences that never appeared on screen. House of the Dragon needed far more dialogue than Game of Thrones, and it was built from the same system without contradicting what came before.

That consistency is what separates a constructed language from gibberish. When actors in fantasy films improvise "ancient tongue" noises, the result cannot be analyzed. High Valyrian can.

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5. Users: A Small Community

High Valyrian has no native speakers and no country. It does have learners: fans studying it through Duolingo's course, online communities, and Peterson's own published material. That community is real but smaller and younger than the ones around Klingon or Tolkien's Elvish.

On the five criteria, High Valyrian passes the first four and partly passes the fifth. That is the normal result for a well-built constructed language.

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How It Compares to Other Constructed Languages

Esperanto is the only one in the table that was designed for real-world communication. High Valyrian, Dothraki, Klingon, and Tolkien's languages were built for fiction, which is why they are called artistic languages, or artlangs.

For a direct comparison of Peterson's two languages, see High Valyrian vs Dothraki.

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Common Objections

"It's just a TV prop." It started as a commission for television, but a prop does not need eight cases, a stress rule, or conjugation classes. Peterson built far more than any single scene needed so that every line would fit one system.

"It's only a few famous phrases." The famous lines (valar morghulis, dracarys, zaldrīzes buzdari iksos daor) are the visible part. Behind them sits a grammar that produces them and many more.

"Nobody actually speaks it." Nobody speaks it natively, which is true of most constructed languages and of Latin today. People do learn it, write in it, and quote it correctly.

"It's fake because Martin only made up a few words." Martin wrote a handful of Valyrian words and names in the novels. Peterson's job was to build a language those words could plausibly have come from. That is reconstruction work, which is a real linguistic method.

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So What Should You Call It?

The most accurate label is a constructed artistic language: deliberately designed, built for a fictional world, and complete enough to analyze and learn. "Real" and "constructed" are not opposites. High Valyrian is constructed and real at the same time, in the same way Klingon and Quenya are.

If you are interested in actually learning it, the honest roadmap is in How to Learn High Valyrian, and the tools available are compared in Best App to Learn High Valyrian.

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People Also Ask

Is High Valyrian a real language? Yes, as a constructed language. It has a defined sound system, a full grammar, and well over a thousand words, but no native speakers and no existence outside the story.

Can you speak High Valyrian fluently? You can reach a good reading and writing level and hold simple exchanges. Its smaller vocabulary means even advanced speakers meet gaps that only its creator can fill officially.

Who created High Valyrian? David J. Peterson, the linguist who also created Dothraki, working from the few Valyrian words in George R.R. Martin's novels.

Is High Valyrian based on Latin? It is modelled on Latin's stress rule, case system, and role as a dead prestige language, but its vocabulary and endings are original.

Related Reading

• What Is High Valyrian? The Language of Dragons, Explained
• Is Dothraki a Real Language?
• Is Klingon a Real Language?
• Is Elvish a Real Language?
• High Valyrian vs Dothraki — Which Should You Learn?
• How to Learn High Valyrian
• A Dragon Is Not a Slave in High Valyrian — The Astapor Line Explained
• Valar Dohaeris Meaning — The Reply to Valar Morghulis Explained
• 50+ High Valyrian Words & Phrases (With Meanings)

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High Valyrian is not a taught course on Tengwar, but David J. Peterson's other Game of Thrones language, Dothraki, is, alongside Elvish and Klingon, with structured lessons and an AI tutor. Start Dothraki free at /learn/200 →