Artificial intelligent assistant

guiltful

ˈguiltful, a. Obs.
  [f. guilt n. + -ful.]
  Full of guilt; guilty; heinous. Hence ˈguiltfully adv.

c 1375 Sc. Leg. Saints, Andrea 103 Wikit women, þou þolis þus Ill, for þou..has consawit giltfully. 1655 R. Capel in Spurgeon Treas. Dav. Ps. cxix. 36 Worldliness is a most guiltful sin in respect of God. 1675 Walker etc. Paraph. St. Paul 22 Prohibition..making it more guilt-full. 1791 J. Learmont Poems 15 (E.D.D.) The lady heard the guiltfou tale Wi' mickle dole an' dread.

Oxford English Dictionary

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