Enter a clue or pattern or both:
The Clue
Make more refined (6 letter answer)
The Answer
RAREFY
Tags
Notes
The answer RAREFY is so rare that it appears less than once every 2900 puzzles.
Related Clues
Refine
Refine further
Thin out
Make thin or porous
Definition
RAREFY as a verb:
1. lessen the density or solidity of; "The bones are rarefied"
2. (rarefy, sublimate, subtilize) = make more subtle or refined
3. (rarefy, attenuate) = weaken the consistency of (a chemical substance)