Breadcrumb Home > Thesaurus > C Synonyms of crater Find synonyms for: Noun1. volcanic crater, crater, geological formation, formationusage: a bowl-shaped geological formation at the top of a volcano2. Craterusage: a faint constellation in the southern hemisphere near Hydra and Corvus3. crater, natural depression, depressionusage: a bowl-shaped depression formed by the impact of a meteorite or bombWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of crater (Dictionary) ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language