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