/ Thesaurus / T Synonyms of time capsule Find synonyms for: Noun1. time capsule, containerusage: container for preserving historical records to be discovered at some future timeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language