Definify.com

Webster 1913 Edition

Adj.

[See

Apt or fitted to delude; tending to mislead the mind; deceptive; beguiling; delusory;

as,

delusive

arts; a

delusive

dream.

–

De-lu′sive-ly

adv.

–

De-lu′sive-ness

Noun.

Adj.

Apt to deceive; tending to mislead the mind; deceptive; beguiling; as delusive arts; delusive appearances.

delusive ‎(comparative more delusive, superlative most delusive)

Producing delusions.
Delusional.
Inappropriate to reality; forming part of a delusion.
- 1849, Charlotte Brontë, Shirley
  It seemed calculated to suggest ideas she had no intention to suggest — ideas delusive and disturbing.
- 1885, John Ormsby, Don Quixote, volume 2, translation of El ingenioso hidalgo Don Quijote de la Mancha by Miguel de Cervantes, chapter XXIII:
  I opened my eyes, I rubbed them, and found I was not asleep but thoroughly awake. Nevertheless, I felt my head and breast to satisfy myself whether it was I myself who was there or some empty delusive phantom; but touch, feeling, the collected thoughts that passed through my mind, all convinced me that I was the same then and there that I am this moment.

inappropriate to reality