Lunatic definition: A lunatic is a person who is considered to be insane or extremely foolish, often in a way that is perceived as dangerous or unpredictable.
Definitions of Lunatic
- 1noun(colloquial)
A lunatic is a person who is considered to be insane or extremely foolish, often in a way that is perceived as dangerous or unpredictable.
- 2adjective(colloquial)
Describing someone or something as lunatic means they are extremely foolish, reckless, or behaving in a wild and irrational manner.
Example Sentences
“The old man was often called a lunatic for talking to himself on the street.”
“His lunatic idea to climb the mountain in a storm was met with strong opposition.”
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Phrases & Idiomatic Expressions
A small, extreme, or fanatical part of a group or movement.
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