Un-swéte

According to the Old English Dictionary:

un-swéte

adj. Unsweet,(1) of taste, bitter, sour :-- Hí mé geblendon bittre tósomne unswétne drync ecedes and geallan, Exon. Th. 88, 12; Cri. 1439. (2) of smell, offensive, fetid :-- Ðonne ne biþ se þost tó unswéte tó gestincanne, Lchdm, ii. 48, 14. [O. Sax. un-swóti : O. L. Ger. un-suóti molestus: O. H. Ger. un-suozi.] un-swete