Overconfident

Don't be overconfident.

You should be careful not to become overconfident.

He is overconfident.

He's overconfident.

She's overconfident.

Tom is overconfident.

You're overconfident.

Don't get overconfident.

I was overconfident.

You were overconfident.

The downturn triggered by putting everyday life on hold to halt the infection should, we were told, be V-shaped: a shock, but one from which we’d soon bounce back. Like many comforting predictions in the early days of this pandemic, that is beginning to look alarmingly over-confident.

By propagating a "reality distortion field"—that is, mesmerizing potential employees, investors, and strategic partners so they focus on a startup's world-changing potential rather than on its real-world risks—overconfident and charismatic founders in particular are able to persuade people to commit resources under terms favorable to their new venture.