The word "un-blushingly" is defined as behaving or expressing oneself without any sign of embarrassment or shame. Some synonyms for this word are fearlessly, unabashedly, shamelessly, boldly, confidently, unabashedly, brazenly, audaciously, and unapologetically. These words convey a sense of self-assurance and a lack of concern for the opinions of others. They suggest that someone is willing to stand up for themselves and their beliefs, regardless of potential criticism or disapproval. Using these synonyms can help to add depth and nuance to writing, allowing for a more precise and evocative expression of the intended meaning.