RAREFY Scrabble 12 Words With Friends 11 Definition verb lessen the density or solidity of. verb make more subtle or refined. — synonyms: sublimate, subtilize verb weaken the consistency of (a chemical substance). — synonyms: attenuate See all 43 words you can make from RAREFY → 6-letter words Words starting with R Words ending with Y ← Unscramble different letters