"Over-confident" Natural Recordings by Native Speakers
Over-confident refers to having too much confidence or faith in oneself, one's abilities, or one's chances of success, often to the point where it becomes excessive or even hubristic.
Over-arching refers to something that has a broad scope or impact that affects multiple areas or aspects of a particular issue, situation, or system, often in a way that transcends or encompasses many other factors. It can also imply a sense of unity or coherence that brings together different elements or components into a single framework or structure.