misconfident

English

Etymology

From mis- +‎ confident.

Adjective

misconfident (comparative more misconfident, superlative most misconfident)

1. Having a mistaken confidence; wrongly trusting.
   • 1640, Bishop Hall, Christian Moderation:

     Such men, instead of convincing, yield; and make themselves miserable, and their opposites foolishly proud and misconfident.