| Etherealize 1. (v. t.) To convert into ether, or into subtile fluid; to saturate with ether. 2. (v. t.) To render ethereal or spiritlike. Thesaurus Entries adulterate, attenuate, cut, dematerialize, dilute, disembody, disincarnate, enervate, expand, idealize, immaterialize, rarefy, sap, spiritize, spiritualize, subtilize, thin, thin out, unsubstantialize, water, water down, weaken |