/ Thesaurus / T Synonyms of twilight sleep Find synonyms for: Noun1. twilight sleep, general anesthesia, general anaesthesiausage: a state of general anesthesia in which the person retains a slight degree of consciousness; can be induced by injection of scopolamine or morphineWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language