Translation of "meaningless" into Hindi

His renunciation of " terror against the Israelis wherever they might be " is meaningless ?

इजरायल के विरूद्ध किसी भी प्रकार के आतंकवाद को त्यागना अर्थहीन हो ?

Don't live a life which is monotonous, mediocre, meaningless.

ऐसा जीवन मत जियो जो साधारण हो, औसत, निरर्थक हो ।