In a manner expressing resentment or lack of desire.(adverb)
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Use "grudgingly" in a sentence
"Even politicians looking to make their careers at the expense of craigslist's good name grudgingly admit (when pressed) that we have made huge strides."
"If the Clinton campaign is finally accepting this reality too, however grudgingly, that is some progress."
"The present racing writer would take second lead, and yes " grudgingly " as there still seemed to be no great fresh news, he could do a follow-up piece this week about Dennis Kinser and his syndicates, always supposing the Voice itself had succeeded in launching the Kinser training career."