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permafrost Synonyms

Another word for permafrost

Choosing another word for permafrost that fits your sentence is easier when synonyms and similar words are paired with an exact noun definition and ranked by match strength.
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• noun (Context 1)

A thick subsurface layer of soil, rock, or sediment in polar and high-altitude regions of the northern and southern hemispheres that remains continuously frozen below zero degrees Celsius for two or more consecutive years.

Usage Example

"Rising global temperatures are causing the Arctic pergelisol to thaw, releasing ancient trapped greenhouse gases into the atmosphere."

Strongest
pergelisol

• Nearby Words

perky
perm
permaculture
permafrost
permalink
permanence
permanency

Cite this Entry

Wordmom. (2026). Synonyms for Permafrost. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/permafrost
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