Free 30-Day Email Course
The Advanced Vocabulary Challenge
One genuinely advanced word in your inbox every day for 30 days — words you won't hear in everyday conversation. Pass the final exam and earn a certificate.
- 30 advanced, GRE-level words — one per day, under a minute to read
- Every word comes with its meaning and a real example sentence
- A final exam on day 30: 10 sentences, pick the right word from all 30 you've learned
- Score 7/10 or higher and get a certificate of completion
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Day 1 preview
Ephemeral adjective
Lasting for a very short time. "The politician's promises proved ephemeral, vanishing from public memory within weeks."
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