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Pick the things you actually read about, and Brevlex writes every example sentence around them — then spaces them out so the words stick. Made for professionals, lifelong readers, and English learners.
inscrutable
adj./ɪnˈskruːtəbl̩/impossible to interpret; giving nothing away.
Example · Basketball
Even after years of dominance, the team’s game plan stayed blank — rivals had long given up trying to read it.
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Each word comes back at the moment it is about to leave you. Spaced repetition does the scheduling, so you forget less and study less.
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Every word runs the same loop: pull it from the deck, write it into a sentence about your interests, turn that into a flashcard, then resurface it on the schedule that beats forgetting.
Same canonical SM-2 intervals shown above — each review that holds roughly doubles the next gap.