"Overconfidence" is a word in ENGLISH

overconfidence ENGLISH
Definition:

Excessive confidence; too great reliance or trust.

Few words of positivity

What should you, O man, do, you who seek your own glory whenever you do anything good, while when you do something bad, you figure out ways to blame God.

Augustine of Hippo, Homilies on the Gospel of John 1-40

WORD SUGGESTIONS
Laugh your heart out.

What did the farmer say when his fat pig wouldn't fit into the pen? "There's more there than meets the sty."

confidence ENGLISH

Having an excess of assurance; bold to a fault; dogmatical; impudent; presumptuous.

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overconfident ENGLISH

Confident to excess.

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overtrust ENGLISH

Excessive confidence.

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