noun
foolishness
FOO-lihsh-nuhs
noun
1
The state or quality of being unwise or silly.
"His foolishness cost him the whole deal."
2
A silly or absurd act or idea.
"The whole plan was foolishness from start to finish."
How to Use Foolishness
Learner’s notesIn plain EnglishSilly, unwise behavior or an unwise idea.
Word Forms
foolishnesses plural
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His _____ cost him the whole deal.