What is the meaning of the word Effrontery'?

Effrontery
[noun] [Uncountable noun]

English Meaning: Insolent or impertinent behavior.
Bangla Meaning: ঔদ্ধত্য; নির্লজ্জ সাহস।

Synonyms: Shamelessness (লজ্জাহীনতা), Impoliteness (অশিষ্টতা), Disrespect (অসম্মান; অশ্রদ্ধা).
Antonyms: Timidity (ভীরুতা).

Other Forms: [Countable noun] (Plural) effronteries): How can you have the effrontery to ask for another loan?
Example Sentence: ‘He then committed several acts of brazen effrontery.’

অন্য অপশন গুলোর মধ্যে -
• To cause someone no longer to have a wrong idea - Disabuse.
• Lasting for only a short time - Ephemeral.
• To put something in a place where it is unlikely to be found - Secrete.

Source: Website Lecture