adjective
demented
dih-MEHN-tihd
Demented (adjective) means Affected by dementia, or more informally, behaving in a wild or unhinged way. Example: “Her demented grandfather no longer recognised the house.”
adjective
1
Affected by dementia, or more informally, behaving in a wild or unhinged way.
"Her demented grandfather no longer recognised the house."
"The film has a demented sense of humour that some viewers love."
How to use demented
Learner’s notesIn plain EnglishEither clinically affected by dementia, or, informally, wildly irrational or crazy.
When to use it
The clinical sense is neutral and medical; the informal "crazy/wild" sense is casual and can sound flippant if used about real illness.
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Word forms
- Comparative
- more demented
- Superlative
- most demented
Fill the gap
Can you complete this real example?
Her _____ grandfather no longer recognised the house.
Synonyms
View more →Antonyms
Related words
Rhymes for demented
vented
dented
scented
talented
invented
oriented
lamented
patented
cemented
fermented
contented
consented
See all rhymes for demented →
Frequently asked questions
What does “demented” mean?
The word “demented” means affected by dementia, or more informally, behaving in a wild or unhinged way. In plain terms, either clinically affected by dementia, or, informally, wildly irrational or crazy.
How do you pronounce “demented”?
“Demented” is pronounced dih-MEHN-tihd (/dɪˈmɛntɪd/ in IPA).
How do you use “demented” in a sentence?
Here is “demented” used in a sentence: “Her demented grandfather no longer recognised the house.”
What part of speech is “demented”?
“Demented” is an adjective.
