The quality of being unwise or lacking judgment.

Deception or the practice of deceiving others.

मूर्खता

English Usage: His foolishness cost him his job.

Hindi Usage: उसकी मूर्खता ने उसे नौकरी से निकाल दिया।

Behavior or language that is silly or not sensible.

बेतुका

English Usage: I can't believe you bought into that foolery; it was complete nonsense.

Hindi Usage: मुझे यकीन नहीं होता कि तुमने उस मूर्खता पर भरोसा किया; यह पूरी तरह बेतुकी थी।