Norwegian BokmålEdit

EtymologyEdit

From frost +‎ sikker

AdjectiveEdit

frostsikker (neuter singular frostsikkert, definite singular and plural frostsikre)

  1. frostproof

Norwegian NynorskEdit

EtymologyEdit

From frost +‎ sikker

AdjectiveEdit

frostsikker (neuter singular frostsikkert, definite singular and plural frostsikre)

  1. frostproof