To destroy or abolish something.
To obscure or eclipse something.
To hunt down (a species) to extinction.
To bring about the extinction of a conditioned reflex.
To put out, as in fire; to end burning; to quench.
To die out.
To kill.
To take over or absorb something (especially an organisation) so it no longer has a separate identity; to assimilate.
To completely enclose or envelop.
To voraciously consume resources, such as money; to devour.