overwhelm

(ōˌvər-hwĕlmˈ, -wĕlmˈ)

1. To surge over and submerge; engulf: waves overwhelming the rocky shoreline.
2. a. To defeat completely and decisively: Our team overwhelmed the visitors by 40 points.
   b. To affect deeply in mind or emotion: Despair overwhelmed me.
3. To present with an excessive amount: They overwhelmed us with expensive gifts.
4. To turn over; upset: The small craft was overwhelmed by the enormous waves.