dement

1 of 2

transitive verb

de·​ment

də̇ˈment,

dēˈ-

-ed/-ing/-s

archaic

: to deprive of reason

dement

2 of 2

noun

"

plural -s

: one who is demented

Word History

Etymology

Transitive verb

Late Latin dementare, from Latin dement-, demens out of one's mind, mad, from de- + ment-, mens mind

Noun

Middle French, from Latin dement-, demens

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!