rendered powerless especially by an excessive amount or profusion of something; "a desk flooded with applications"; "felt inundated with work"; "too much overcome to notice"; "a man engulfed by fear"; "swamped by work"
{s} overwhelmed or overcome (as with force or emotion); defeated; bestowed with an excessive amount of power
If something such as a colour or flavour overpowers another colour or flavour, it is so strong that it makes the second one less noticeable. On fair skin, pale shades are delicate enough not to overpower your colouring. = overwhelm
In a sports match, when one team or player overpowers the other, they play much better than them and beat them easily. Britain's tennis No 1 yesterday overpowered American Brian Garrow 7-6, 6-3