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Learning Foundations

How Many Words Do I Need To Know?

Learn why there is no required vocabulary count before speaking, and practise using a dictionary or describing unknown words to keep a conversation going.

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Vanessa answers a beginner’s question: how many English words should a learner know before speaking? Her central answer is that there is “no magic number.” She says it is almost impossible to count exactly how many words someone knows, and more importantly, learners should not wait for a vocabulary threshold before trying to communicate. Speaking itself is part of how vocabulary grows.

To make that advice concrete, Vanessa describes her Japanese student Toro. Their first Skype lesson was the first time he had spoken with a native English speaker. She wanted to give him a positive first experience rather than make him feel nervous or frustrated. Before they met, she sent a simple video about morning routines. They used its familiar words—such as drinking coffee and reading the newspaper—to talk about his own routine. This prepared material gave him a manageable starting topic and helped him become more comfortable during the lesson.

Vanessa offers two ways to handle a word you cannot recall. A beginner can look it up in an online or physical dictionary; she reassures learners that it is okay to do this. An intermediate learner can try to explain the missing word in English. Her example is “monkey”: if you forget that word, describe the animal as living in trees and making a sound, and let the conversation partner help supply the name. The phrase “look it up” means search for information in a reference source, while “describe what you’re talking about” shows how to keep communicating even with a vocabulary gap.

Over roughly three months, Toro and Vanessa spoke one to three times each week in 30-minute conversations based on basic topics. Those guided conversations helped him grow his vocabulary and comfort. Eventually, their lessons became “unstructured free talking time”: he could speak more freely and explain many different things with energy. Vanessa points out that he did not wait until his vocabulary reached a certain level; his words increased while he practised speaking.

The lesson’s practical invitation is to find a patient conversation partner and begin with whatever English you have. Use a familiar topic, describe unknown words, or check a dictionary when needed. If you feel nervous, start slowly and keep the exchange calm. Learners can also reflect on when they first spoke English with a native speaker—or whether they have done so yet—without treating that experience as a measure of their overall ability.

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Speak English With VanessaAmerican English05:05

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Transcript

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Select an expression for its meaning · 0:00

Asking whether vocabulary has a minimum threshold

Hi, I'm Vanessa from Speak English with Vanessa.com. Today I'm going to answer a question one of my students asked me in an email: how many English words do I need to know before I start speaking English? How do you know how many words you know? Do you keep a list or count your vocabulary? This question is difficult to answer because it's almost impossible to know how many words you know.

Try it: Choose one phrase from this section and use it in a sentence about your own routine or shopping experience.

Phrase cheat sheet

All phrases at a glance

Review each expression, hear it, save it, or jump to where it appears in the video.

12 phrases

Showing 12 of 12 phrases

no magic number

Explaining that there is no magic number · expression

No single exact amount that guarantees someone is ready or successful.

Tone and use: Conversational emphasis. Use it to reject the idea that one fixed quantity is required.

May not fit: It does not mean practice and vocabulary are unimportant.

Example“There is no magic number of words you need before you start.”

felt very privileged

Meeting a beginner learner and preparing basic material · expression

Felt especially grateful or honored to have an opportunity.

Tone and use: Warm and appreciative. Use it to express gratitude for a meaningful opportunity.

May not fit: It can sound formal or emotional in a casual setting.

Example“I felt very privileged to be invited to teach the class.”

a positive first experience

Meeting a beginner learner and preparing basic material · expression

An initial encounter that feels encouraging or pleasant.

Tone and use: Supportive and learner-focused. Use it when describing a welcoming introduction to an activity.

May not fit: A good first experience cannot guarantee every later experience will be easy.

Example“We wanted every new learner to have a positive first experience.”

morning routines

Meeting a beginner learner and preparing basic material · expression

The regular activities someone does after waking up.

Tone and use: Everyday topic vocabulary. Use it to discuss habitual morning actions.

May not fit: A routine can vary from day to day.

Example“We used morning routines as a topic for conversation.”

over time

Building comfort through a first conversation · expression

Gradually, as time passes.

Tone and use: Neutral and common. Use it to describe change or progress that happens gradually.

May not fit: It does not specify exactly how long the change takes.

Example“Over time, she felt more comfortable speaking.”

looked it up

Building comfort through a first conversation · expression

Searched for the meaning or information in a reference source.

Tone and use: Common phrasal verb. Use it when checking a word in a dictionary or online source.

May not fit: The pronoun goes between “looked” and “up”: “looked it up.”

Example“I didn’t know the word, so I looked it up.”

explain the word

Using a dictionary or describing an unknown word · expression

Describe a word’s meaning when you cannot remember its name.

Tone and use: Practical communication strategy. Use it to keep talking through a vocabulary gap.

May not fit: An explanation may take longer than saying the exact word.

Example“I forgot “ladder,” so I tried to explain the word.”

describe what you’re talking about

Using a dictionary or describing an unknown word · expression

Use details to explain an object, person, or idea.

Tone and use: Helpful conversational strategy. Use it when you cannot recall a specific word.

May not fit: Keep the description simple enough for the listener to follow.

Example“I couldn’t remember “umbrella,” so I described what I was talking about.”

unstructured free talking time

Growing vocabulary through repeated conversations · expression

Conversation without a fixed lesson sequence or prepared script.

Tone and use: Descriptive education phrase. Use it for open conversation after more guided practice.

May not fit: It does not mean the conversation has no purpose or boundaries.

Example“We finished the worksheet and had unstructured free talking time.”

grow his vocabulary

Growing vocabulary through repeated conversations · expression

Increase the number of words someone knows and can use.

Tone and use: Common learning phrase. Use it when describing vocabulary development.

May not fit: Knowing a word and using it confidently are not always the same.

Example“Reading and conversation can help you grow your vocabulary.”

Don’t wait until your vocabulary is a certain level

Starting to speak before feeling fully ready · expression

Begin speaking instead of waiting to know a predetermined amount of vocabulary.

Tone and use: Encouraging advice. Use it to encourage practice before feeling completely ready.

May not fit: Start with a comfortable situation and a patient partner.

Example“Don’t wait until your vocabulary is perfect to join the conversation.”

the first time you spoke English with a native English speaker

Inviting learners to share their first conversation · expression

The earliest occasion when you had a conversation in English with a native speaker.

Tone and use: Personal reflection question. Use it to invite someone to tell a language-learning memory.

May not fit: It is a personal question; some learners may not have had that experience yet.

Example“When was the first time you spoke English with a native English speaker?”

Knowledge check

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What it means · “no magic number”

What does Vanessa mean by “there’s no magic number”?