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lunacy

[/ˈluːnəsi/]
nounpl: lunacies
loucura
1. Extreme folly or senselessness; madness or insanity
It would be sheer lunacy to attempt that climb without proper equipment.
Seria pura loucura tentar aquela escalada sem equipamento adequado.
2. Historical: a form of insanity believed to be influenced by the moon's cycles
Doctors of the medieval period attributed lunacy to lunar influence.
Os médicos da época medieval atribuíam a loucura à influência lunar.
NYC Slang
batshit crazy, off your rocker, bonkers
Synonyms
madnessinsanityfollyfoolishnessabsurdityidiocycraziness
Antonyms
sanityreasonsensewisdomrationality

Regional Variations

General Brazilian
loucura
Most common usage; also 'insanidade' in formal contexts
Rio de Janeiro
loucura
Standard usage; colloquially 'suruba' for chaotic madness
São Paulo
loucura
Standard usage; 'insanidade' preferred in legal/medical contexts
Portugal
loucura
Standard usage; 'demência' used in medical terminology

Related Idioms & Phrases

it's absolute lunacy
a fit of lunacy
lunacy of the crowds
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