Fromself- +‎opinion.

self-opinion (countable anduncountable,pluralself-opinions)

1. One's ownopinion.
2. Exalted opinion of oneself;overweening estimate of oneself;self-conceit.

• Ogilvie, John.The Imperial Dictionary of the English Language: A Complete Encyclopedic Lexicon, Literary, Scientific, and Technological. Blackie & Son. (1884).

• English terms prefixed with self-
• English lemmas
• English nouns
• English uncountable nouns
• English countable nouns
• English multiword terms

• Pages with entries
• Pages with 1 entry