The frostiness of the air made me shiver.

She looked at him frostily.

She had frostbitten fingers after being out in the cold for too long.

She frostbit her fingers while playing in the snow.

I suffered from severe frostbites after being exposed to the extreme cold for hours.

He developed frostnip after being exposed to the cold for too long.

The weather is getting frostier as winter approaches.

This is the frostiest day of the year.

She froshed through the crowd to get to the front of the stage.

She is froshing at the party.