Adverb
in an unmerited manner
Source: WordNetthe team chalked up another victory, the last one quite undeservedly, in my opinion Source: Internet
Although undeniably a cornerstone of organic chemistry, Hückel's concepts were undeservedly unrecognized for two decades. Source: Internet
Turner, p. 81. Newton saw himself a sinner like David who had been chosen, perhaps undeservedly, and was humbled by it. Source: Internet