What is Arrogance

Recently, while reviewing some code, I found myself using the phrase, "breathtaking arrogance" and later wondering exactly what I meant. Well, I knew what I meant, but I did wonder what I might be implying.

I feel reasonably confident that arrogance involves an offensive level of self-assuredness and claims of superiority. I am less sure

1. about whether privately held (but possibly inferable) belief in one's own superiority counts as arrogance,
2. of the degree to which arrogance can be collective, or achieved by association with those one believes to be superior,
3. of the relevance of measurable or generally …

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