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Serendipitynoun
/ˌsɛr.ənˈdɪp.ɪ.ti/
The occurrence and development of events by chance in a happy or beneficial way; the faculty of making fortunate discoveries by accident.
"The discovery of penicillin was a perfect example of serendipity — Alexander Fleming found it when he noticed mold killing bacteria in a petri dish he had accidentally left uncovered."
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Featured Lessons
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100 Essential English Words
Build a strong foundation with the most common English vocabulary. Perfect for beginners and ESL learners.
100 words~45 min
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SAT Prep Vocabulary
Master high-frequency SAT words with interactive quiz-style cards. Test your knowledge with immediate feedback.
50 words~30 min
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Business English Essentials
Professional vocabulary for meetings, presentations, emails, and negotiations. Essential for career advancement.
75 words~35 min
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