Dictionary

1. (

• rarefy ,

) 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) ;

1. (

• rare ,
• rarefied ,
• rarified

) having low density; "rare gasses"; "lightheaded from the rarefied mountain air" ;

2. (

• exalted ,
• elevated ,
• sublime ,
• grand ,
• high-flown ,
• high-minded ,
• lofty ,
• rarefied ,
• rarified ,
• idealistic ,
• noble-minded

) of high moral or intellectual value; elevated in nature or style; "an exalted ideal"; "argue in terms of high-flown ideals"- Oliver Franks; "a noble and lofty concept"; "a grand purpose" ;