Cockiness often carries a negative impression, suggesting disrespect or contempt for others. His cockiness made him unpopular, as he constantly boasted about his achievements.
Pro Tip 2/3
Overconfidence
Cockiness goes beyond confidence; it implies an overestimation of one's own abilities or worth. The rookie's cockiness was evident when he dismissed the veterans' advice.
Pro Tip 3/3
Cultural Perception
Perceptions of cockiness can vary by culture; what appears self-confident in one may be seen as rude in another. In some cultures, his cockiness might be admired, but here it's considered offensive.