t- (FURTHER) [prefix] - used to add the meaning 'going beyond' or 'being better than' to verbsShe doesn't drink or smoke and I'm sure she'll outlive (= live longer than) us all.Children outgrow (= become too big for) their clothes very quickly.The Redskins were outplayed (= defeated) by the Minnesota Vikings.
OU
Meaning of OU in English
Cambridge English vocab. Кембриджский английский словарь. 2012