Have you ever encountered a word in another language that seems impossible to translate?

The Portuguese word saudade describes a deep emotional longing for something or someone absent. The Japanese word komorebi refers to sunlight filtering through the leaves of trees. In German, fernweh expresses a longing for distant places one has never visited. Danish speakers use hygge to describe a feeling of comfort, warmth, and contentment often experienced in the company of others.

While these words can be explained, they often resist direct translation. A single word in one language may require an entire sentence, or even a paragraph, in another.

This raises a fascinating question. Why do some languages contain words that seem not to exist anywhere else? Are speakers of different languages experiencing entirely different realities, or are they simply describing the same human experiences in different ways?

For centuries, linguists, psychologists, anthropologists, and philosophers have explored these questions. What they have discovered reveals that language is much more than a tool for communication. It is also a window into culture, history, environment, and the way human beings make sense of the world.

A dictionary shaped by culture

Every language develops within a specific social and cultural environment. Communities create words for ideas, experiences, and objects that matter to them.

People living in desert regions may develop rich vocabularies for describing sand, wind, and weather conditions. Communities dependent on fishing may have dozens of terms for ocean currents, tides, or types of fish. Agricultural societies often develop highly specific language related to seasons, crops, and landscapes.

As a result, language becomes a record of what a society values, notices, and experiences regularly.

This helps explain why certain concepts become condensed into a single word in one language while requiring lengthy explanations in another.

For example, the Finnish word sisu refers to determination, resilience, courage, and perseverance in the face of adversity. While English contains words related to these ideas, none captures exactly the same combination of meanings and cultural significance.

Language, in this sense, reflects the priorities and experiences of the communities that speak it.

Does language shape how we think?

One of the most influential debates in linguistics concerns whether language influences thought.

This idea became widely known through the work of linguists Edward Sapir and Benjamin Lee Whorf during the twentieth century. Their theories suggested that the structure of a language might affect how its speakers perceive and understand the world.

The strongest versions of this theory, often called linguistic determinism, claimed that language could limit what people were capable of thinking.

Most modern linguists reject this extreme view. Human beings are clearly capable of understanding concepts that do not exist as words in their native language.

However, many researchers do believe that language can influence attention, memory, and perception in subtle ways.

Studies have shown that speakers of different languages may pay attention to different aspects of the same situation. Some languages require speakers to specify directions such as north, south, east, and west, even in everyday conversation. Research suggests that speakers of these languages often develop unusually strong spatial awareness as a result.

Similarly, languages differ in how they describe colours, time, emotions, and relationships, potentially influencing how speakers think about these concepts.

Language may not determine thought, but it can shape habits of attention.

The world’s most fascinating untranslatable words

The popularity of “untranslatable words” on social media and in popular books reflects a growing fascination with linguistic diversity.

Many of these words reveal unique cultural perspectives.

The Japanese term tsundoku refers to the habit of acquiring books and allowing them to pile up unread. The German word schadenfreude describes pleasure derived from another person’s misfortune. The Korean word nunchi refers to the subtle art of understanding another person’s emotions and intentions through observation.

In South Africa, the Nguni word ubuntu expresses a philosophy emphasizing interconnectedness and shared humanity. Often translated as “I am because we are,” the concept has influenced discussions of ethics, leadership, and community across the world.

These words remind us that language often captures ideas that are deeply embedded within particular cultural traditions.

At the same time, they also reveal how many human experiences are universal. People everywhere understand longing, comfort, perseverance, empathy, and belonging, even if their languages describe these experiences differently.

When languages disappear

The study of language becomes even more important when we consider how many languages are currently at risk.

According to UNESCO, nearly half of the world’s approximately 7,000 languages may disappear within the coming century.

Every time a language dies, humanity loses more than vocabulary and grammar.

Languages often contain generations of knowledge about local ecosystems, medicinal plants, agricultural practices, oral histories, and cultural traditions. Some Indigenous languages include highly detailed environmental knowledge accumulated over centuries of interaction with specific landscapes.

When these languages disappear, valuable knowledge may disappear with them.

Linguists increasingly argue that language preservation is not simply about protecting cultural heritage. It is also about safeguarding diverse ways of understanding the world.

Can technology save endangered languages?

Ironically, some of the same technologies that have accelerated cultural globalization may now help preserve linguistic diversity.

Artificial intelligence, digital archives, translation software, and language-learning applications are being used to document and revitalize endangered languages around the world.

Researchers are creating digital dictionaries, recording native speakers, and developing educational tools to help younger generations learn ancestral languages.

However, experts caution that technology alone cannot save a language. Languages survive when communities continue to use them in everyday life, pass them to future generations, and maintain the cultural contexts that give them meaning.

More than words

The mystery of why some words exist in one language but not another ultimately reveals something profound about humanity.

Languages are not merely collections of words. They are living records of history, geography, culture, emotion, and collective experience.

Every language highlights certain aspects of reality while leaving others in the background. Each offers a slightly different lens through which people interpret the world.

This diversity does not divide humanity. Instead, it enriches it.

The existence of untranslatable words reminds us that while people may speak thousands of different languages, they are often attempting to describe the same hopes, fears, joys, and struggles.

Sometimes another language simply finds a particularly beautiful way to express them.

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