Enter a clue or pattern or both:
The Clue
Show some enthusiasm (10 letter answer)
The Answer
EFFERVESCE
Tags
Notes
The answer EFFERVESCE is so rare that it appears less than once every 2500 puzzles.
Definition
EFFERVESCE as a verb:
1. (foam, froth, fizz, effervesce, sparkle) = form bubbles; "The boiling soup was frothing"; "The river was foaming"; "Sparkling water"