1) Chillily 2) Cold adverb 3) Coldly 4) Frigidly 5) Frostily 6) How frenemies might interact 7) How to respond to an affront 8) How to respond to an insult 9) In a chilly fashion 10) In a cold and icy manner 11) In a cold manner 12) In a cold way 13) In a cool way 14) In a frigid manner 15) In a frosty manner 1) Coldly 
• (adv.) In an icy manner; coldly.
I'ci·ly adverb In an icy manner; coldly. « Faultily faultless, icily regular, splendidly null, Dead perfection, no more.» Tennyson. 
[adv] - in a cold and icy manner
adverb in a cold and icy manner; ``Mr. Powell finds it easier to take it out of mothers, children and sick people than to take on this vast industry,` Mr Brown commented icily`
in an icy manner: I received him icily because of the harsh way he had treated me.