Ephemeral is an English word that requires careful pronunciation in order to be understood. The correct way to say it is "eh-fem-er-uhl." The first syllable is pronounced with a short sound, "eh," that is similar to the "e" in the word "bed." The second syllable is pronounced "fem," with a short, soft "f" sound and a short, soft "m" sound. The third syllable is "er," with a long, drawn-out "er" sound. Finally, the last syllable is "uhl," with a short, soft "uh" sound and a short, soft "l" sound.

When spoken in full, ephemeral should sound like "eh-fem-er-uhl." It is important to remember to emphasize the middle syllables in order to make the word sound clear and distinct. The middle syllables should be pronounced with a slight emphasis on the "er" sound.

By following these pronunciation tips, you can successfully pronounce ephemeral and be understood.