dreadfully
意味
- 恐ろしく,ものすごく
- 《話》非常に,とても
語源
英語の原文（Wiktionary）
Inherited from Middle English dredfully, dradefullich, dredefullich; equivalent to dreadful + -ly.
Inherited from Middle English dredfully, dradefullich, dredefullich; equivalent to dreadful + -ly.