staying power

Noun

staying power (usually uncountable, plural staying powers)

1. (usually) Endurance, the ability to continue at something for a long period of time.
   • They have shown their staying power before and it would be daft to write them off but it must be disturbing, nonetheless, for Mourinho that his team are five points behind already and locked in a game of catch-up against the side that has just subjected them to a rare, old-fashioned beating.2015 August 16, Daniel Taylor, “Manchester City’s Sergio Agüero too good for Chelsea as Diego Costa labours”, in The Guardian
   • Unlike other young artists who have fallen victim to too much market attention, too soon, he believes that [Avery] Singer has staying power.2020 February 7, Melanie Gerlis, “Avery Singer: the artist breathing fresh life into painting”, in Financial Times