Nihilism Definition & Meaning – Merriam-Webster

formal

1 : the belief that traditional morals, ideas, beliefs, etc., have no worth or value

2 : the belief that a society's political and social institutions are so bad that they should be destroyed

1a : a viewpoint that traditional values and beliefs are unfounded and that existence is senseless and useless Nihilism is a condition in which all ultimate values lose their value. Ronald H. Nash

b : a doctrine that denies any objective ground of truth and especially of moral truths

2a : a doctrine or belief that conditions in the social organization are so bad as to make destruction desirable for its own sake independent of any constructive program or possibility

b capitalized : the program of a 19th century Russian party advocating revolutionary reform and using terrorism and assassination

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Nihilism Definition & Meaning - Merriam-Webster