Norwegian Bokmål

Adjective

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

1. frostproof

Norwegian Nynorsk

Etymology

From frost +‎ sikker

Adjective

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

1. frostproof