/ Thesaurus Find synonyms for: Noun1. valley, vale, natural depression, depressionusage: a long depression in the surface of the land that usually contains a riverWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: vale (Dictionary) Related Content Daily Word Quiz: preparatory Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index