permafrost What is the Definition of permafrost?Noun:ground that is permanently frozen Other meanings of permafrost (synonyms, cognates). ENRU permafrost вечнаямерзлота Frequently viewed: treat in a sentencetext meaningpen in a sentenceregard definitionfamous meaningprogram meaninglater definitionbecome meaningimage meaninggeneration meaningalternatively meaningparentheses meaning A B C D E F G H I J K L M N O P Q R S T U V W X Y Z