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lunacy

0 antonyms and opposites of lunacy, grouped by meaning.

Noun — Madness or insanity, especially of a kind once believed to come and go with the phases of the moon.

How to use lunacy

The word patterns that sound natural to a native speaker.

sheer lunacy an act of lunacy

Etymology

From lunatic + the noun-forming suffix -cy; ultimately from Latin luna ("moon"), reflecting the old belief that madness waxed and waned with the moon.

Full origin of lunacy →

Frequently asked questions

What does “lunacy” mean?

The word “lunacy” means madness or insanity, especially of a kind once believed to come and go with the phases of the moon. In plain terms, madness — either literal insanity or, more commonly today, just a wildly reckless or foolish idea.

How do you pronounce “lunacy”?

“Lunacy” is pronounced LOO-nuh-see (/ˈluː.nə.si/ in IPA).

How do you use “lunacy” in a sentence?

Here is “lunacy” used in a sentence: “His wild rants were dismissed as lunacy by everyone who knew him.”

What is another word for “lunacy”?

Words with a similar meaning to “lunacy” include insanity, madness, craziness and craze.

What part of speech is “lunacy”?

“Lunacy” is a noun.

Where does the word “lunacy” come from?

The word “lunacy” comes from Latin. From lunatic + the noun-forming suffix -cy; ultimately from Latin luna ("moon"), reflecting the old belief that madness waxed and waned with the moon.

How many meanings does “lunacy” have?

“Lunacy” has 2 distinct senses listed in this dictionary. The most common is: madness or insanity, especially of a kind once believed to come and go with the phases of the moon.

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Synonyms and antonyms from Wiktionary, CC BY-SA.