characterized by lightness and insubstantiality

having a characteristic of being unpositive or cheerful

नकारात्मक या खुश रहने का गुण

English Usage: His airy attitude towards life made it hard for others to take him seriously.

Hindi Usage: जीवन के प्रति उसकी नकारात्मक दृष्टिकोण के कारण दूसरों के लिए उसे गंभीरता से लेना मुश्किल था।