B1 English Vocabulary List (CEFR)

This is the B1 vocabulary list from Wordineer’s CEFR ESL dataset (10 words at this level). Each word has part of speech, American English IPA, a plain-language definition, and an example sentence — see the source and methodology.

significant

B1

adjective · /səɡˈnɪfɪkənt/

Important or large enough to have a noticeable effect

“There has been a significant improvement in her grades.”

opportunity

B1

noun · /ˌɑpərˈtunəti/

A chance to do something good or useful

“This job is a great opportunity to learn new skills.”

economy

B1

noun · /ɪˈkɑnəmi/

The system by which a country manages its money and trade

“The country's economy has been growing steadily.”

environment

B1

noun · /ɪnˈvaɪrənmənt/

The natural world around us, including air, water, and land

“We must protect the environment for future generations.”

traditional

B1

adjective · /trəˈdɪʃənəl/

Relating to customs or beliefs passed down over time

“We had a traditional meal for the holiday.”

influence

B1

verb · /ˈɪnfluəns/

To have an effect on someone or something

“Social media can influence people's opinions.”

achieve

B1

verb · /əˈtʃiv/

To succeed in doing something after effort

“She worked hard to achieve her goals.”

assume

B1

verb · /əˈsum/

To believe something is true without proof

“Don't assume that everyone agrees with you.”

consequence

B1

noun · /ˈkɑnsəkwəns/

A result or effect of an action

“There are serious consequences for breaking the rules.”

negotiate

B1

verb · /nəˈɡoʊʃiˌeɪt/

To discuss something to try to reach an agreement

“They negotiated a better salary with their employer.”

Downloads

CSV (imports into Anki, Quizlet)

All B1 words (10)

A

WordPart of speech
achieveverb
assumeverb

C

WordPart of speech
consequencenoun

E

WordPart of speech
economynoun
environmentnoun

I

WordPart of speech
influenceverb

N

WordPart of speech
negotiateverb

O

WordPart of speech
opportunitynoun

S

WordPart of speech
significantadjective

T

WordPart of speech
traditionaladjective

Frequently asked

How many words are on the B1 list?

10 at this level. 10 have a written definition and example sentence.

Can I import the CSV into Anki or Quizlet?

Yes. Both accept comma-separated files with a header row. Columns are word, pos, level, ipa, definition, example.

Where do the pronunciations come from?

American English IPA, transcribed from the CMU Pronouncing Dictionary. Stress marks: ˈ primary, ˌ secondary.

Built and maintained by Garrick Dee. Last verified: 2026-09-29 · Dataset v1.0.0 · Sources: wordfreq (Zipf, en), CMU Pronouncing Dictionary (via NLTK).

Cite: Wordineer CEFR ESL Vocabulary (v1.0.0), Garrick Dee, 2026. License: CC BY 4.0.