SPURIOUSLY
spuriously
(adverb) in a false and spurious manner; “the lawyer argued spuriously that his client knew nothing of the burglary”
Source: WordNet® 3.1
Etymology
Adverb
spuriously (comparative more spuriously, superlative most spuriously)
In a spurious manner.
Source: Wiktionary
SPURIOUS
Spu"ri*ous, a. Etym: [L. spurius.]
1. Not proceeding from the true source, or from the source pretended;
not genuine; false; adulterate.
2. Not legitimate; bastard; as, spurious issue. "Her spurious
firstborn." Milton. Spurious primary, or Spurious quill (Zoöl.), the
first, or outer, primary quill when rudimentary or much reduced in
size, as in certain singing birds.
– Spurious wing (Zoöl.), the bastard wing, or alula.
Syn.
– Counterfeit; false; adulterate; supposititious; fictitious;
bastard.
– Spu"ri*ous*ly, adv.
– Spu"ri*ous*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition