[ 'nʌɪ(h)ɪlɪz(ə)m ]
■ noun
1》 the rejection of all religious and moral principles, often in the belief that life is meaningless.
2》 Philosophy the belief that nothing has a real existence.
Derivatives
nihilist noun
nihilistic adjective
Origin
C19: from L. nihil 'nothing' + -ism .