TOEFL Vocabulary
TOEFL-style academic vocabulary practice. Not affiliated with or endorsed by ETS.
All 3,000 questions in this category are free to play.
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1. Legal scholars debated whether a single tweet could constitute a binding contractual offer. In this sentence, 'constitute' most nearly means:
2. Patients scheduled for the surgery must undergo a full physical examination beforehand. In this sentence, 'undergo' most nearly means:
3. The biologist proposed a hypothesis to explain why the fish population had declined. In this sentence, 'hypothesis' most nearly means:
4. Obesity-related illnesses have become increasingly ______ in industrialized nations over the past three decades.
5. Many species have had to adapt quickly to rising ocean temperatures in order to survive. In this sentence, 'adapt' most nearly means:
All 3,000 questions in this category are free to play.
Difficulty that adapts to you
Every question and every player carries an ELO rating, the same system chess uses. Answer correctly and you face harder questions; miss a few and the quiz eases off. That keeps practice in the productive zone - challenging enough to learn from, never so hard it stops being useful.
Each answer shows an instant explanation of what was right and wrong, so a quiz session doubles as a study session.