An existential crisis refers to a period of intense self-reflection and questioning about life's meaning, purpose, and one's own existence.
Absurdism: Absurdism is a philosophical belief that human existence lacks inherent meaning, purpose, or rationality.
Nihilism: Nihilism is a philosophical belief that life is without objective meaning, value, or purpose.
Alienation: Alienation refers to feelings of isolation or detachment from oneself, others, society, or even reality itself.