'Icily' definitions:

Definition of 'icily'

From: WordNet
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"

Definition of 'Icily'

From: GCIDE
  • Icily \I"ci*ly\, adv. In an icy manner; coldly. [1913 Webster]
  • Faultily faultless, icily regular, splendidly null, Dead perfection, no more. --Tennyson. [1913 Webster]