Words similar to foolishness

Example sentences for: foolishness

How can you use “foolishness” in a sentence? Here are some example sentences to help you improve your vocabulary:

(If you doubt a small price increase would significantly affect the sales of Windows 95, you must conclude Microsoft is undercharging out of either foolishness or generosity--neither of which is terribly consistent with the way the Justice Department and the public at large think of Microsoft.)
Bankruptcy is not harmless; the debt is transferred to others (customers, suppliers, taxpayers, the rest of society), and the damage can (and often does) multiply beyond the original "foolishness."
The script gives Grant a series of deadpan one-upmanships; what saves him from seeming like an utter snob is his habit of drawing attention to his own foolishness with a lovably self-deprecating stammer.
This only goes to show you one thing, which happens to be the most important thing to know about investing: Trying to game the market in the short-term is the definition of foolishness.
This laughably inaccurate prognostication reflected the hysteria of the moment and has illustrated for me the foolishness of making predictions, especially ones that can be proved wrong and used to shame you in social settings.