I'cy, a.

adjective

a. [compar. ICIER; superl. ICIEST.] [From ice.]

  1. Pertaining to, composed of, resembling, or abounding in, ice; cold; frosty. “Icy chains.” Shak. “Icy regions.” Boyle. “Icy seas.” Pope.
  2. Characterized by coldness, as of manner, influence, &c.; chilling; backward; indifferent.

Icy was the deportment with which Philip received these demonstrations of affection. Motley.