INEFFECTUALLY
ineffectually
(adverb) in an ineffectual manner; “she tried ineffectually to light the primus, and Thomas came to help her”
Source: WordNet® 3.1
Etymology
Adverb
ineffectually (comparative more ineffectually, superlative most ineffectually)
In an ineffectual manner.
Source: Wiktionary
In`ef*fec"tu*al*ly, adv.
Definition: Without effect; in vain.
Hereford . . . had been besieged for abouineffectually by the Scots.
Ludlow.
INEFFECTUAL
In`ef*fec"tu*al, a.
Definition: Not producing the proper effect; without effect; inefficient;
weak; useless; futile; unavailing; as, an ineffectual attempt; an
ineffectual expedient. Pope.
The peony root has been much commended, . . . and yet has been by
many found ineffectual. Boyle.
Syn.
– Inefficient; useless; inefficacious; vain; fruitless; unavailing;
futile. See Uselesss, Inefficacious.
Source: Webster’s Unabridged Dictionary 1913 Edition