nihilism
the rejection of all established beliefs, morals, or meaning
His cheerful nihilism held that nothing mattered, so nothing was worth worrying about.
More GRE words starting with N
the lowest or most unsuccessful point of something
lacking experience, sophistication, or critical judgment
excessive self-admiration and preoccupation with oneself
a condition of stupor, drowsiness, or unconsciousness brought on by drugs or other agents
a drug that dulls the senses, relieves pain, and can cause addiction
to dull the senses or lull into a stupor as though by a drug
just beginning to develop or come into existence
a feeling of sickness with an inclination to vomit
Learn words the way the GRE tests them.
Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.