do (one's) darndest

(redirected from did their darndest)

do (one's) darndest

To put forth the utmost amount of energy or effort toward some task or goal. A more polite version of "do one's damnedest." Money is a little tight at the moment, but I'll do my darndest to be there for your wedding.
References in periodicals archive ?
Instead, officials at the United Nations Conference on Environment and Development did their darndest to ignore property rights and impose a new array of global taxes and regulations on business--all in the name of environmental protection.