overshare verb 2noun 1forms 3 verb2 •To share too much or in excess. •To offer inappropriate disclosure concerning one's personal life to others, now especially on social media."I've been told by certain people that I have a tendency to overshare with strangers. I hope I haven't bored you with the details of my life. — 2007 noun1 •An instance of sharing or divulging too much.In light-hearted cases, the response to an overshare may be the collective online “Ewwww!” and some online needling. — 2019 formsovershared · oversharing · overshares