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mattoid

British  
/ ˈmætɔɪd /

noun

  1. rare a person displaying eccentric behaviour and mental characteristics that approach the psychotic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of mattoid

C19: from Italian, from matto insane

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And if a mattoid emperor caused the war, And Elenor Murrays put the emperor down, The emperor, could he laugh at all, can laugh To see a country, bent to spend its last Dollar, its blood to the last drop, having spent Enough of these, go mad as Barrett Bays.

From Project Gutenberg

"That man," said the Doctor in a low, earnest voice, "is a mattoid."

From Project Gutenberg

I thought at first you were a mattoid, but you're so amazingly consistent.

From Project Gutenberg

And labyrinths of Horror's Home, 'Mid vapours green and aisles unsunned, Provoke each cursing mattoid's fold Until the night is changed to noon By cowled magicians on a dome.

From Project Gutenberg

His biographer says that he was a "mattoid."

From Project Gutenberg