expression, ichidan verb
be swamped with work; be extremely busy
Passive expression from 忙殺する (to work someone to death with busyness). Describes being overwhelmed by work or tasks, often with a nuance of being driven to exhaustion.
今週は忙殺されて、昼食をとる時間もなかった。
This week I was so swamped with work that I didn't even have time for lunch.
彼は連日
He is being worked to death with overtime every day.