expeditiousness
1. 快速：expeditious 迅速的 | expeditiousness 快速 | expel from 驱逐出
2. 迅速; 敏捷 (名)：expeditiously 迅速地 (副) | expeditiousness 迅速; 敏捷 (名) | expel 驱逐, 开除, 逐出 (动)
noun
1. the property of being prompt and efficient
e.g. it was done with dispatch
Synonym: dispatch despatch expedition