Meaning of 殆ど in Japanese

I think it is certain that there is intelligent life in this universe, but the likelihood of that life coming to Earth is practically nil.

What's different from Japan is that the doctors of Singapore generally all know each other.

Minds that have nothing to confer find little to perceive.

As civilization advances, poetry almost necessarily declines.

I couldn't make out what he was saying.

As a similar feature it is noted that students engaged in fund-raising activities rarely contribute money they have earned themselves.

I have pretty much forgotten the emphatic constructions.

At today's meeting almost everybody backed my plan.

How is it that otherwise reasonable people come to believe that this same roof, that practically vanishing commodity, is freely obtainable just by packing up and going to another country?