significant
B1adjective · /səɡˈnɪfɪkənt/
Important or large enough to have a noticeable effect
“There has been a significant improvement in her grades.”
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.
adjective · /səɡˈnɪfɪkənt/
Important or large enough to have a noticeable effect
“There has been a significant improvement in her grades.”
noun · /ˌɑpərˈtunəti/
A chance to do something good or useful
“This job is a great opportunity to learn new skills.”
noun · /ɪˈkɑnəmi/
The system by which a country manages its money and trade
“The country's economy has been growing steadily.”
noun · /ɪnˈvaɪrənmənt/
The natural world around us, including air, water, and land
“We must protect the environment for future generations.”
adjective · /trəˈdɪʃənəl/
Relating to customs or beliefs passed down over time
“We had a traditional meal for the holiday.”
verb · /ˈɪnfluəns/
To have an effect on someone or something
“Social media can influence people's opinions.”
verb · /əˈtʃiv/
To succeed in doing something after effort
“She worked hard to achieve her goals.”
verb · /əˈsum/
To believe something is true without proof
“Don't assume that everyone agrees with you.”
noun · /ˈkɑnsəkwəns/
A result or effect of an action
“There are serious consequences for breaking the rules.”
verb · /nəˈɡoʊʃiˌeɪt/
To discuss something to try to reach an agreement
“They negotiated a better salary with their employer.”
| Word | Part of speech |
|---|---|
| achieve | verb |
| assume | verb |
| Word | Part of speech |
|---|---|
| consequence | noun |
| Word | Part of speech |
|---|---|
| economy | noun |
| environment | noun |
| Word | Part of speech |
|---|---|
| influence | verb |
| Word | Part of speech |
|---|---|
| negotiate | verb |
| Word | Part of speech |
|---|---|
| opportunity | noun |
| Word | Part of speech |
|---|---|
| significant | adjective |
| Word | Part of speech |
|---|---|
| traditional | adjective |
Not sure of your level? Try the CEFR level checker.
10 at this level. 10 have a written definition and example sentence.
Yes. Both accept comma-separated files with a header row. Columns are word, pos, level, ipa, definition, example.
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.