VACUOUSLY

vacuously

(adverb) in a vacuous manner

Source: WordNet® 3.1

Etymology

Adverb

vacuously (comparative more vacuously, superlative most vacuously)

In a vacuous manner, lacking thought.

(logic) Because of being a vacuous truth.

Source: Wiktionary

VACUOUS

Vac"u*ous, a. Etym: [L. vacuus. See Vacant.]

Definition: Empty; unfilled; void; vacant. Boundless the deep, because I am who fill Infinitude; nor vacuous the space. Milton. That the few may lead selfish and vacuous days. J. Morley.

Source: Webster’s Unabridged Dictionary 1913 Edition