CONTUMELIOUSLY
contemptuously, disdainfully, scornfully, contumeliously
(adverb) without respect; in a disdainful manner; “she spoke of him contemptuously”
Source: WordNet® 3.1
Etymology
Adverb
contumeliously (comparative more contumeliously, superlative most contumeliously)
In a contumelious, insolent manner.
Source: Wiktionary
CONTUMELIOUS
Con`tu*me"li*ous (or ; 106), a. Etym: [L. contumeliosus.]
1. Exhibiting contumely; rudely contemptuous; insolent; disdainful.
Scoffs, and scorns, and contumelious taunts. Shak.
Curving a contumelious lip. Tennyson.
2. Shameful; disgraceful. [Obs.] Dr. H. More.
– Con`tu*me"li*ous*ly, adv.
– Con`tu*me"li*ous*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition