a. [ Pref. in- not + effective: cf. F. ineffectif. ] Not effective; not having the desired effect; ineffectual; futile; inefficient; useless;
The word of God, without the spirit, [ is ] a dead and ineffective letter. Jer. Taylor. [ 1913 Webster ]
adv. In an ineffective manner; without effect; inefficiently; ineffectually. [ 1913 Webster ]
n. Quality of being ineffective. [ 1913 Webster ]