The Language Game

By Morten H. Christiansen, Nick Chater

Is Language Just a Big Game of Charades? Morten Christiansen and Nick Chater think so.

You know that moment when you're mid-sentence, waving your hands, and your friend/husband/wife just gets it? That's not just good vibes—it's basically how language works, according to cognitive scientists Morten Christiansen.

Language as Improv

Language isn't a clean set of rules or some grammar robot's dream. It's charades. They compare everyday conversation to a never-ending game of charades or improv. You guess what the other person is trying to say, based on what you already know, then build on it. Think "Yes, and…" from improv. That's literally how language moves forward.

And because our brains are working with limited memory (cue the "Now or Never" bottleneck), we have to understand and respond in the moment. If you miss it, it's gone. That's why we rely on quick turn-taking, nods, little sounds like "mm-hmm," and those classic roommate ESP looks to stay on track.

Challenging the Big Names

Christiansen also throws some shade at the big-name theories—sorry, Pinker and Chomsky. The idea that language is a logical code or that we all have a built-in grammar engine doesn't hold up under his lens. Instead, language is something we build culturally. Kids don't learn neat rules; they pick up messy, one-off constructions. Like "I am being have." Weird, but it works.

Grammar Isn't Universal

He dives into word order to show how grammar isn't universal. Most European languages follow SVO (Subject-Verb-Object)—think "I eat pizza." But classical Latin? Total free-for-all. You could say "Pizza I eat" or "Eat I pizza," and the grammar still holds because the word endings do all the work. Sanskrit is similar—super flexible word order, again thanks to case markings. Meanwhile, spoken or "street" Latin tended toward the simpler SVO, which eventually evolved into the Romance languages (like Spanish and French), which also favor SVO.

The point? Grammar isn't hardwired. It's shaped by use, culture, and convenience.

The Beautiful Chaos of Human Languages

Christiansen also explores how wildly diverse languages can be. Some have built-in markers for things like how you know what you're saying (that's called evidentiality). Others, like Danish, have 40 vowel sounds, making it hard to even tell where one word ends and the next begins. That means kids learning Danish often have to rely more on gestures and cues than just speech. But fun twist: Danish speakers can handle conversations better in noisy places—kind of like linguistic echolocation.

And don't forget the best example of charades-like flexibility: pointing at a window. Depending on the context, it could mean "Look outside," "Shut that," "Clean it," or even "Quick, hide the snacks!" That's the human superpower. We're constantly interpreting and adapting.

Humans vs. LLMs

Now compare that to large language models. LLMs can mimic fluent speech, but Christiansen argues that they miss the deeper game. They're like motor cars pretending to be horses—fast and useful, sure, but not the real deal when it comes to the improvisational dance that is human language.

The Takeaway

In short: language isn't rules and logic. It's culture, chaos, and charades—and we're all better at it than we give ourselves credit for.

Loved the book. Recommended.