As a noun overconfidence
is an excessive degree of confidence.
As an adjective presumptuous is
going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance.
overconfidence
English
Noun
(-)
An excessive degree of confidence
Related terms
*overconfident
presumptuous
English
Alternative forms
* (archaic)
Adjective
(
en adjective)
Going beyond what is right, proper, or appropriate because of an excess of self-confidence or arrogance.
Synonyms
* (going beyond what is proper) overconfident, foolhardy, rash, presuming, forward, arrogant, insolent, conceited
Related terms
* presumption