1. the quality or state of having no meaning, purpose, or significance
2. the quality of being unintelligible or incomprehensible

Examples

• The meaninglessness of the repetitive task made it hard to stay focused.
• She struggled with feelings of meaninglessness after losing her job.
• The meaninglessness of his words became apparent when no one could understand what he was trying to say.
• Many existentialist philosophers explored the meaninglessness of human existence.
• The film's abstract dialogue added to its sense of meaninglessness.
• He rejected the meaninglessness of a life without goals or values.