The Complete Guide to the Klingon Language
In 1985, Pocket Books published The Klingon Dictionary, a slim paperback by linguist Marc Okrand. It went on to sell hundreds of thousands of copies and launch the most successful fictional language community in history. Four decades later, Klingon — tlhIngan Hol — has a translated Hamlet, an opera, a Duolingo course, and fluent speakers.
Here's your complete beginner's guide.
What Is Klingon?
Klingon (tlhIngan Hol) is a constructed language created by linguist Marc Okrand for the Star Trek franchise. It was first developed for Star Trek III: The Search for Spock (1984), building on a few lines used in 1979. It has a full grammar, a substantial vocabulary, and an active worldwide community of learners.
The Counterintuitive Truth: Klingon Was Designed to Be Un-Human
Most language creators try to make their languages feel natural. Okrand did the opposite. He deliberately combined features that rarely occur together in human languages — unusual word order, uncommon sound combinations — so Klingon would feel truly alien.
The result is a language that feels strange to speakers of every Earth language, not just English. We call this universal foreignness: a language that's equally alien to everyone.
A Brief History
| Year | Milestone |
|---|---|
| 1979 | First Klingon lines in Star Trek: The Motion Picture (created by James Doohan) |
| 1984 | Marc Okrand develops Klingon for Star Trek III |
| 1985 | The Klingon Dictionary published |
| 1992 | Klingon Language Institute founded |
| 1996 | The Klingon Hamlet published by the KLI |
| 1997 | Klingon for the Galactic Traveler published |
| 2010 | Klingon opera 'u' premieres in The Hague |
| 2018 | Duolingo launches Klingon course |
We cover the creation story in depth in How Marc Okrand Built Klingon.
Klingon Culture in Its Language
Klingon culture — honour, battle, directness — runs through the vocabulary:
- nuqneH — the greeting, meaning "What do you want?"
- Qapla' — "Success!"
- batlh — honour
- Heghlu'meH QaQ jajvam — "Today is a good day to die"
- tlhIngan maH! — "We are Klingons!"
There's no small talk in Klingon. We call this grammar of directness: a language designed around getting to the point.
Try it in the Klingon Translator.
Sounds
Klingon has about 26 sounds: 21 consonants and 5 vowels. Spelling uses a special capitalisation system to show pronunciation:
| Letter | Sound |
|---|---|
| tlh | t + breathy l |
| Q | Hard k deep in the throat |
| q | k further back than English |
| H | Like ch in Bach |
| gh | Throaty g, gargle-like |
| ' | Glottal stop (as in "uh-oh") |
| D | d with tongue tip curled back |
Capital letters matter: q and Q are different sounds.
Grammar Basics
Word Order: Object–Verb–Subject
puq legh yaS — "The officer sees the child." Literally: child — sees — officer.
Verb Prefixes
Prefixes show who is acting on whom. For example, qa- means "I (do something to) you":
qalegh — "I see you."
Verb Suffixes
Klingon stacks suffixes to add meaning, like wanting, ability, or completion. One verb can express an entire English sentence.
No "To Be"
Klingon has no verb "to be." Pronouns can act as verbs:
tlhIngan jIH — "I am a Klingon" (literally "Klingon I").
Writing: pIqaD
Klingon is usually written in Latin letters, but it also has a script called pIqaD, which appears on screen on Klingon ships and signs. Fans use it for art and messages.
Is Klingon More Than a Fictional Language?
Yes. Klingon is used for:
- Literature: Hamlet, Much Ado About Nothing, and the Epic of Gilgamesh have been translated.
- Music: The opera 'u' and various songs.
- Weddings: Couples have exchanged vows in Klingon.
- Education: Linguists use it to teach grammar concepts.
It's a language people actively use — the definition of "real" that matters most to linguists.
Can You Learn Klingon?
Absolutely. Resources include:
- The Klingon Dictionary by Marc Okrand
- Duolingo's Klingon course
- Klingon Language Institute resources and conferences (the qep'a')
- Online communities and word-of-the-day resources
- The Klingon Translator for quick experiments
Learners often describe Klingon grammar as hard at first but very logical. The toughest part is getting used to OVS word order and the sounds.
Klingon Compared With Other Star Trek Languages
| Language | Development | Try It |
|---|---|---|
| Klingon | Highly developed | Klingon Translator |
| Vulcan | Moderate, much fan development | Vulcan Translator |
| Romulan | Limited on screen | Romulan Translator |
| Tamarian | Metaphor-based concept | Tamarian Translator |
| Cardassian | Limited | Cardassian Translator |
What Linguists Say
Linguist and author Arika Okrent, who earned a Klingon certification from the KLI while researching In the Land of Invented Languages (2009), described Klingon as one of the rare invented languages that built a real speech community. That's a milestone few constructed languages ever reach.
Where Klingon Is Heading
With Star Trek: Discovery and Strange New Worlds featuring Klingons prominently, new generations of fans are meeting the language. We predict Klingon will be the first fictional language to celebrate 50 years of continuous community use in 2034, marking its status as a true cultural institution.