oversit /ˌəʊvə(ɹ)ˈsɪt/ verb4 •To spend too much time sitting.It’s no coincidence that we speak of how much we can eat in one sitting. Oversitting at a dinner table may contribute to overeating, and understanding this may help curb overeating. — 2008 •To preside over, govern, rule; to control. •To conquer, gain control or ownership of.Let me, however, entreat of you, above all things, to remember my ball, and do not let them oversit the thing so as not to get to it. — 1903 •(no longer used) To neglect, omit; to desist, refrain from, forbear.And he greatly reproaches those who 'forget or oversit the time of housel,' […] — 1881 formsoversat · oversitting · oversits