try (one's) damnedest

try (one's) damnedest

To put forth the maximum amount of energy or effort toward some task or goal. Money is a little tight at the moment, but I'll try my damndest to be there for your wedding. I'm trying my damnedest to get a passing grade in this class.See also: damnedest, try

do/try your ˈdamnedest

(informal) try very hard; make a very great effort: He was doing his damnedest to make me feel uncomfortable so that I would leave.See also: damnedest, try