Relevance ranks synonyms and suggests the best matches based on how closely a synonym’s sense matches the sense you selected.
A-Z
Length
-+
Synonyms for permafrost
noun frozen waterAntonyms for permafrost
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.