3 adjectives to describe nihilism

And by the evil fruit we know the evil root: the idealistic theory is philosophical nihilism, for it denies the reality of the external world, as the materialism of Spinoza denies a transcendent God and the freedom of the will.

Their real aim was not religious or constructive, but pure nihilism.

But these were the product of an earlier and sterner school, the puritanical "Nihilism" of the 'eighties; and it is impossible to deny the substantial truth of the above description as far as the rank and file of the modern revolutionary school are concerned.

3 adjectives to describe  nihilism