self-opinion

[ self-uh-pin-yuh n, self- ]
/ ˈsɛlf əˈpɪn yən, ˌsɛlf- /
|

noun

opinion of oneself, especially when unduly high.

Origin of self-opinion

First recorded in 1570–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for self-opinion