What you can do here
Look up an entry, explore original example sentences, and save words to practice on your device. The learning dictionary covers everyday, academic, and subject words, and every entry has a usage note written for learners.
How we approach word knowledge
A short definition is a starting point. Usage notes, contextual examples, and related words help you see how a meaning works in a sentence. Entries explain selected useful senses rather than every historical or specialist meaning.
Independent learning collections
Grade collections are suggested supplementary practice sets. Learners of the same age have different backgrounds and needs. Choose a collection based on your own understanding.
Exam collections are independently curated practice materials. VocabularyBase is not affiliated with or endorsed by the organizations that administer the SAT, GRE, IELTS, or TOEFL. No collection is an official test word list or a promise of a score.
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There is no account system. Saved word IDs are stored in your browser, and your custom quiz text stays on the page. Read about privacy.