IPA: /ˈoʊvərˌboʊld/
KK: /oʊvərboʊld/
Excessively confident or daring, often in a way that is disrespectful or inappropriate.
His overbold remarks during the meeting surprised everyone.
Overbold → It is formed from "over-" (meaning excessively) and "bold" (from Old English "beald", meaning brave or daring). The word "overbold" means excessively brave or daring, often to the point of being reckless.
Think of being 'excessively' ('over-') 'brave' ('bold') — that's why overbold describes someone who is too daring.
No commonly confused words.