Other forms: reappeared; reappears; reappearing
When something shows up again, it reappears. A diver can plunge into the water from the diving board, swim underwater, and reappear at the far end of the pool.
A magician might make your ten dollar bill disappear, but it's not a great trick if she doesn't then make it reappear. You may think your winter cold is over until the symptoms — sneezing and coughing — reappear suddenly. Anything that goes away and comes back reappears. The word adds the "again" prefix re- to appear, from its Latin root apparere, "come in sight."