Pronunciation: /ˈluːnətɪk/
noun a person who is mentally ill, especially one who behaves violently; a deranged person
A1 The lunatic was shouting and causing a scene in the park.
A2 The villagers believed the old man was a lunatic because of his strange behavior.
B1 The detective suspected the murder was committed by a lunatic with a grudge.
B2 The artist's work was often described as the creation of a lunatic genius.
C1 The psychiatrist studied the mind of the criminal, trying to understand what drove him to act like a lunatic.
C2 The novel portrayed the main character as a complex lunatic, struggling with inner demons and external pressures.
formal The psychiatrist diagnosed the man as a dangerous lunatic.
informal I heard that guy is a complete lunatic, always doing crazy things.
slang That lunatic is off his rocker, I swear.
figurative The idea of jumping out of a plane seems like something only a lunatic would do.
lunaticized
lunatics
more lunatic
most lunatic
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will lunaticize
has lunaticized
is lunaticizing
lunatic
lunatic
to lunaticize
lunaticizing
lunaticized