Synonyms of rarefy

Verb

1. rarefy, change, alter, modify

usage: lessen the density or solidity of; "The bones are rarefied"

2. rarefy, sublimate, subtilize, change, alter, modify

usage: make more subtle or refined

3. rarefy, attenuate, weaken

usage: weaken the consistency of (a chemical substance)

Definition and meaning of rarefy (Dictionary)