unduly

undue +‎ -ly

unduly (comparative more unduly, superlative most unduly)

1. Undeservedly; in a way that is not warranted.

   The speaker unduly criticized his opponent and later apologized for this.

   • 1922, Ben Travers, chapter 5, in A Cuckoo in the Nest:

     The departure was not unduly prolonged. In the road Mr. Love and the driver favoured the company with a brief chanty running. “Got it?—No, I ain't, 'old on,—Got it? Got it?—No, 'old on sir.”

   • 1963, Margery Allingham, chapter 8, in The China Governess‎:

     It was a casual sneer, obviously one of a long line. There was hatred behind it, but of a quiet, chronic type, nothing new or unduly virulent, and he was taken aback by the flicker of amazed incredulity that passed over the younger man's ravaged face.