Definition of demented
- treating demented patients
Many of the patients there were demented.
In the movie, he plays a demented man trying to survive on the streets of Los Angeles.
Her demented ramblings are a symptom of her illness.
He gave me a demented little smile.
parents who are almost demented with worry
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'demented.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
balmy, bats, batty, bedlam, bonkers, brainsick, certifiable, crackbrained, cracked, crackpot, crazed, crazy, cuckoo, daffy, daft, deranged, gaga, insane, kooky (also kookie), loco [slang], loony (also looney), lunatic, mad, maniacal (also maniac), mental, non compos mentis, nuts, nutty, psychotic, screwy, unbalanced, unhinged, unsound, wacky (also whacky);
around the bend, off one's gourd, off one's head, off one's rocker, out of one's head (or mind);
: not able to think clearly or to understand what is real and what is not real : crazy or insane
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