overbitteradj.

1600 R. Parsons in Publ. Catholic Rec. Soc. (1906) 2 120 But the rest for that it was longe and over bitter against some particular men, I thought good to leave it out.

1869 Manufacturer & Builder Feb. 54/1 Instead of leaving the matter to overwarm friends or overbitter foes, the spirit of the age, as in them embodied and developed.

1872 Catholic World Dec. 426/2 The Prussian army, if increased at all, is increased in the event of a renewed war by untrustworthy men, and a new drop of gall is thrown into the already overbitter cup which France is compelled to swallow.

1901 Amer. Hist. Rev. 6 375 It must also be remembered that he who found only empty bluster in the Southern threat of secession might be over-bitter in criticism of neighbors.

1943 Pope & People (Catholic Truth Soc.) ix. 171 There is now commonly much dispute, and sometimes over-bitter dispute, on this topic.

1995 Bellingham (Washington) Herald (Nexis) 4 Apr. c1 Amber ale—‘an overhopped, overbitter beer you can chew on.’