Lunacy
Definition 1 of 3
Pro Tip 1/3
Common Hyperbole
Often used to exaggerate a point or show disapproval of an idea or action. Selling your house to buy lottery tickets is pure lunacy!
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Casual Expression
Used informally to express disagreement or disbelief in casual conversation. You're biking across the country with no training? That's lunacy!
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Emotional Impact
Conveys strong emotions; can be seen as offensive if directed at a person. When he proposed building a house on the moon, everyone shouted, 'Lunacy!'