Enter a clue or pattern or both:
The Clue
Reason for some hisses (9 letter answer)
The Answer
DEFLATION
Tags
Notes
The answer DEFLATION is so rare that it appears less than once every 2500 puzzles.
Definition
DEFLATION as a noun:
1. (geology) the erosion of soil as a consequence of sand and dust and loose rocks being removed by the wind; "a constant deflation of the desert landscape"
2. a contraction of economic activity resulting in a decline of prices
3. the act of letting the air out of something