WordReference Random House Unabridged Dictionary of American English © 2026
self-de•lu•sion
(self′di lo̅o̅′zhən, self′-),USA pronunciation n.
self-de•lud•ed
(self′di lo̅o̅′did, self′-),USA pronunciation adj.
self′-de•lud′ing, adj.
- the act or fact of deluding oneself.
- 1625–35