ichidan verb, transitive verb
disturb; prevent; obstruct; hinder
Transitive verb meaning to interfere with someone's action, progress, or a natural process. Often used with abstract objects like 進行, 発展, 睡眠, or 活動.
騒音が睡眠を妨げた。
The noise disturbed my sleep.
His opposition is hindering the progress of the plan.