[ dih-men-toh ]
/ dɪˈmɛn toʊ /

noun, plural de·ment·os. Slang.

a deranged, mentally disturbed, or fanatic person; lunatic; nut.


Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

Origin of demento Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020