self deceit

/ˌsɛlf dɪˈsit/
noun
  1. The act of lying to yourself or refusing to accept the truth about your own feelings, motives, or situation.
    • His self-deceit made him believe he was happy in a job he actually hated.
    • Self-deceit can prevent you from seeing your own flaws.
    • She realized her optimism was actually self-deceit about the seriousness of the problem.
What does "self deceit" mean? | whatsthatwordmean | whatsthatwordmean