Breadcrumb Home > Thesaurus > P Synonyms of peneplain Find synonyms for: Noun 1. peneplain, peneplane, plain, field, champaign usage: a more or less level land surface representing an advanced stage of erosion undisturbed by crustal movements WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of peneplain (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: acme Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language