速やかに

promptly

→ 速やかだ
phrase Rare #41,968
promptly A formal adverb meaning to do something quickly and without delay; commonly used in instructions, announcements, and formal writing.
JA: 問題があれば、速やかに担当者に連絡してください。
EN: If there is a problem, please contact the person in charge promptly.

彼らは合意により速やかに行動した

They acted promptly in accordance with the agreement.

割り当てられた仕事は速やかにやらなければならない

Assigned tasks must be completed promptly.