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THE ENGLISH DICTIONARY
English English
CEFR LEVEL
AllLevels9688 wordsA1Beginner1167 wordsA2Elementary1355 wordsB1Intermediate1391 wordsB2Upper Intermediate1242 wordsC1Advanced899 wordsC2Proficiency299 words
3335 entries have no recorded CEFR level and are included in All.
8 words & expressions
obfuscate
word C2To deliberately make something obscure, unclear, or difficult to understand.
↗obfuscation
word C2The action of making something obscure, unclear, or unintelligible.
↗obsolescence
word C2the process of becoming outdated and no longer used
↗Obstinacy
word C2stubborn refusal to change one's opinion or chosen course of action
↗obviate
word C2to remove a need or difficulty; to prevent or make unnecessary
↗ocean stratification
word C2The natural division of ocean water into distinct horizontal layers based on density, temperature, or salinity differences.
↗omnipotent
word C2Having unlimited power; able to do anything; all-powerful.
↗onomatopoeia
word C2the formation of a word from a sound associated with what is named
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