1 (of the weather) extremely cold; cold with FROST:
a frosty morning * He breathed in the frosty air. * It's frosty outside.
2 covered with FROST:
frosty fields
3 unfriendly, in a way that suggests that sb does not approve of sth:
a frosty look / reply * My questions were met with a frosty silence. * The latest proposals were given a frosty reception.
frostily adverb:
'No, thank you,' she said frostily.
