1. relating to existence or the experience of existing
2. relating to existentialism or its philosophical concerns about human existence, freedom, and meaning
Usage: philosophy
3. causing anxiety about the purpose or meaning of life

Examples

• The novel explores existential themes about what it means to be human.
• She experienced an existential crisis after graduating from college.
• The philosopher wrote extensively about existential questions.
• His existential dread kept him awake at night.
• The movie deals with existential issues of identity and purpose.
• Many teenagers go through existential doubts about their future.