an insulting term for someone considered foolish

someone who is annoying or bothersome

बेवकूफ

English Usage: He made a knobhead mistake by forgetting his keys.

Hindi Usage: उसने अपनी चाबियाँ भूलकर बेवकूफी की।

used to describe a person who shows ignorance or lack of sense

अज्ञानी

English Usage: He acted like a total knobhead during the meeting.

Hindi Usage: बैठक के दौरान वह पूरी तरह से अज्ञानी की तरह व्यवहार कर रहा था।