SPITEFULLY
spitefully
(adverb) with spite; in a spiteful manner; “he answered his accusers spitefully”
despitefully, spitefully
(adverb) in a maliciously spiteful manner; “pray for them that despitefully use us”
Source: WordNet® 3.1
Etymology
Adverb
spitefully (comparative more spitefully, superlative most spitefully)
In a spiteful manner.
Source: Wiktionary
SPITEFUL
Spite"ful, a.
Definition: Filled with, or showing, spite; having a desire to vex, annoy,
or injure; malignant; malicious; as, a spiteful person or act. Shak.
– Spite"ful*ly, adv. Spite"ful*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition