Wordnet 3.0
ADVERB (1)
1.
in an ineffectual manner;
- Example: "she tried ineffectually to light the primus, and Thomas came to help her"
The Collaborative International Dictionary of English v.0.48:
Ineffectually \In`ef*fec"tu*al*ly\, adv.
Without effect; in vain.
[1913 Webster]
Hereford . . . had been besieged for about two months
ineffectually by the Scots. --Ludlow.
[1913 Webster]
WordNet (r) 3.0 (2006):
ineffectually
adv 1: in an ineffectual manner; "she tried ineffectually to
light the primus, and Thomas came to help her" [ant:
effectually]