To restrict the activity or free movement of
Something that impedes or prevents entry or passage
He likes the house spotless and the hamper empty every day.
Last night she had noticed a few clothes in a hamper in the laundry room.
He didn't need more emotions to hamper his decision making, and he didn't need Tim to disown him at the end of this mess.
The infamous roads and the risks during the bridgeless season greatly hamper trade.
The complications of Chinese writing greatly hamper education.