Definition of self-deluder in English:

self-deluder

Pronunciation /ˌsɛlfdɪˈl(j)uːdə/

noun

  • A person who deludes himself or herself about something; a person who engages in self-delusion.

Origin

Mid 17th century; earliest use found in William Jenkyn (bap. 1613, d. 1685), nonconformist minister. From self- + deluder.