How to Learn Vocabulary in ANY Language (backed by science)

Summary

The video argues that repeatedly forgetting vocabulary is usually a method problem, not a bad-memory problem. A word learned only as a translation—such as chien = “dog”—may not connect to the learner’s wider knowledge of what a dog is. Without meaningful connections, the brain has little reason to retain it.

The brain organizes words through networks of meaning built from experience. To help a new word stick, learners need three things:

• Repetition: Encounter the word more than once.
• Context: See or hear it used in meaningful situations.
• Retrieval: Have opportunities to work out or recall its meaning.

Stories naturally combine all three. For example, a short Italian story might use panchina repeatedly in a park, with clues that it is wooden, has legs, and is something a person can sit on. The reader can infer that it means “bench” without stopping to memorize a translation. The story gives the word an experience and a set of associations, making it more memorable.

As learners encounter words across stories and other media, they may begin noticing them elsewhere. The video connects this to the frequency illusion, named by linguistics professor Arnold Zwicky: once a word becomes meaningful to someone, they may become more alert to it and notice it repeatedly. Each encounter can deepen their understanding.

Recommended approach

• Choose stories that suit your level.

  • Look for material where you understand most of what is happening while still encountering some unfamiliar words.
  • The presenter suggests understanding roughly 80–90% as a useful rule of thumb.
  • If you need to stop constantly to use a dictionary or translation tool, the material is probably too difficult. If every word is familiar, it may be too easy.

• Prefer stories with audio.

  • Reading helps connect a word to its meaning.
  • Listening helps connect it to its sound.
  • Combining both can be especially helpful in languages where spelling and pronunciation differ.

• Keep following the story rather than trying to learn every word.

  • When you encounter an unknown word, continue if the story still makes sense.
  • Look it up when it genuinely blocks your understanding.
  • Let repeated encounters provide further clues over time.

• Read regularly and widely.

  • The goal is not to memorize every new word, but to take in enough meaningful language for vocabulary to accumulate naturally.
  • The presenter offers 20 minutes a day for about three months as an example of a consistent routine, not a promise that every learner will gain a specific number of words.

The central takeaway is to ask not, “How can I memorize more vocabulary?” but “How can I give my brain more repetition, context, and retrieval?” The video presents reading stories as a practical way to provide all three and build vocabulary gradually.

Speakers and sources featured

• Olly Richards — The presenter, identified through the video’s title and channel context, shares his language-learning experience and explains the method.
• An unnamed narrator in an inserted science clip — Describes research mapping semantic systems in the brain and how words are grouped by meaning.
• Arnold Zwicky — The linguistics professor credited in the video with naming the “frequency illusion.”