relating to, consisting of, or having the quality of vapor

lacking in substance or clarity; insubstantial

पदार्थ या स्पष्टता की कमी; असंगठित

English Usage: His arguments were so vaporous that they could not convince anyone.

Hindi Usage: उसके तर्क इतने असंगठित थे कि वे किसी को भी नहीं मना सके।