Brazen (adjective)

1. Being bold, without shame, or without fear of consequence.
2. Being done in a manner that lacks subtlety or is bold and noticeable.
3. Being impudent or audacious.
4. Being impudently bold or lacking in shame or modesty.
5. Being unapologetically bold and unafraid of consequences.

Origin:

The word 'brazen' comes from the old english word 'bræsen', meaning 'made of brass'. the brass was seen as a symbol of impudence and boldness, which is how the word eventually came to mean 'bold and without shame' in the middle english period.

Examples:

1. The brazen thief walked into the bank in broad daylight, confident that he wouldn't be caught.
2. Her brazen attitude earned her both admirers and detractors.
3. The politician's brazen lies were finally exposed by the media.
4. The brazen display of wealth was offensive to many people.
5. His brazen approach to the problem was both refreshing and dangerous.