پوچی (اسم)
absurdity, vanity, futility, frivolity, nullity, inanity, vapidity, inefficacy, inefficacity, nihility, vacuity
بیهودگی (اسم)
vanity, frivolity, inanity, fribble, idleness, inaction, inefficacy, idlesse, inefficacity
بی اثری (اسم)
inaction, inefficacy, inefficacity
بی کفایتی (اسم)
incompetence, incompetency, inefficacy, inadequacy, inefficacity, inefficiency