exceedingly; extremely; exceptionally
Used to emphasize the degree of an adjective or verb, similar to 非常に or とても, but with a slightly formal or literary feel. Often found in written language or polite speech.
ことのほか美しい景色でした。
It was an exceptionally beautiful view.
彼はことのほか喜んでいた。
He was exceedingly pleased.
Indicates that something happened contrary to expectations. Less common than the 'exceedingly' sense, and often interchangeable with 意外にも.
ことのほか早く仕事が終わった。
The work finished unexpectedly early.
This winter is exceedingly cold.
The result was unexpectedly surprising.
He was exceedingly pleased to hear the news.