/ Thesaurus / T Synonyms of tundra soil Find synonyms for: Noun1. tundra soil, soil, dirtusage: a black mucky soil with a frozen subsoil that is characteristic of Arctic and subarctic regionsWordNet 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