What does 'Icier' mean? Question about a review of Elementary in the Washington Post [closed]
Solution 1:
Describing a person as "icy" states that they are unfriendly, cold, emotionless:
a. Unfriendly or hostile: an icy stare. b. Showing no emotion: icy detachment.
From the Free Dictionary
Thus, describing someone as playing a far icier version of the character implies that the portrayal is colder, unfriendlier or less emotional than any other portrayal the reviewer is familiar with.