overboldness

From Middle English overboldnesse, equivalent to over- +‎ boldness, after overbold.

• (UK) IPA^(key): /əʊvəˈbəʊldnəs/

overboldness (uncountable)

1. The state or fact of being too bold; audacity.
   • 1603, John Florio, transl.; Michel de Montaigne, chapter 31, in The Essayes, […], book II, printed at London: By Val[entine] Simmes for Edward Blount […], OCLC 946730821:

     nothing did him so much good toward the people (to whom he appealed) to make him obtain his suite, as the sharpnes and over boldnes which Cæsar had declared in that judgement.

   • 1999, Simon Caulkin, The Observer, 19 December:

     Contrary to accepted wisdom, the qualities usually thought of as entrepreneurial - risk-taking, breakthrough creativity, foresight, grand ambition, power and administrative abilities - are all secondary. Indeed, over-boldness may be a handicap.