o·ver·pow·er 
(ō′vər-pouər)
(ō′vər-pouər)tr.v. o·ver·pow·ered, o·ver·pow·er·ing, o·ver·pow·ers
1. To overcome or vanquish by superior force; subdue.
2. To affect so strongly as to make helpless or ineffective; overwhelm.
3. To supply with excessive mechanical power.