frightfully
advUK /ˈfɹaɪtfəli/ · US /ˈfɹaɪtfəli/
Etymology From frightful + -ly.
1
In a frightful manner.
2
Colloquial, Dated Very, extremely.
- It all went frightfully quickly.
- Millicent married Creake after a very short engagement. It was a frightfully subdued wedding—more like a funeral to me.1914, Ernest Bramah, Max Carrados:
1 more example
- "Really!" he said, collapsing into lassitude. "It's too frightfully hot for singing."1930, Norman Lindsay, Redheap, Sydney, N.S.W.: Ure Smith, →OCLC, page 199: