WordReference Random House Unabridged Dictionary of American English © 2025
de•re•ism
(dē rē′iz əm, dā rā′-),USA pronunciation n. [Psychol.]
de′re•is′tic, adj.
de′re•is′ti•cal•ly, adv.
- Psychiatryautism.
- Latin dē rē, literally, away from the matter + -ism
de′re•is′ti•cal•ly, adv.