swamped
v. B2 Upper Intermediate US //ˈswɔmpt// UK //swˈɒmpt// swamped
v. to be completely busy or have too much work to handle. You use this when you feel like you are drowning in your responsibilities.
v. to be overwhelmed by a large amount of work or responsibility.
I am completely swamped with work this week.
The new project manager was swamped by the sudden increase in customer inquiries and had to hire extra staff.
By the time the final deadline approached, the lead architect was so swamped with last-minute revisions that she barely had time to sleep.