inefficaciousadj.
/ɪnɛfɪˈkeɪʃəs/ Of a remedy, treatment, course of action, etc.: Not efficacious; without efficacy.
ΘΚΠ
the world > action or operation > harm or detriment > disadvantage > uselessness > uselessness, vanity, or futility > [adjective] > ineffective
deadc1380
virtuelessa1393
uneffectuous1549
inefficace1570
limping1577
unprevailing1604
inficient1609
weak1609
unofficious1611
penny farthing1615
invalidable1634
invalid1635
unprevalent1640
ineffectible1650
ineffective1651
inefficacious1658
insignificant1661
uneffective1670
popgun1690
foible1715
unefficacious1744
inefficient1750
ineffectual1785
effete1790
foisonlessc1817
puttering1857
non-effective1862
non-efficient1863
shaftless1881
powder puff1911
fouled-up1942
1658 T. Manton Pract. Comm. Jude in Wks. (1871) V. 178 The devils assent..is not a naked and inefficacious assent, but such as causeth horror and tremblings.
1769 Town & Country Mag. Sept. 473/1 His remedy proved inefficacious.
1842 C. Dickens Amer. Notes II. vi. 168 The precaution..is quite inefficacious.
1875 E. Poste tr. Gaius Institutionum Iuris Civilis (ed. 2) iii. 387 It did not inevitably follow that his contract was inefficacious.
This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2018).
<
adj.1658