inefficacious
91futile — Synonyms and related words: abortive, absurd, airy, apish, asinine, bad, barren, batty, befooled, beguiled, besotted, bootless, brainless, buffoonish, catchpenny, cockeyed, counterproductive, crazy, credulous, daffy, daft, dazed, dizzy, doomed,… …
92impotent — Synonyms and related words: acarpous, aimless, anemic, arid, asexual, asthenic, barren, blank cartridge, bloodless, careless, castrated, castrato, celibate, chicken, childless, cold, cowardly, crippled, debilitated, desert, desolate, disabled,… …
93inadequate — Synonyms and related words: adulterated, arrested, asymmetric, barren, base, blemished, bootless, callow, counterproductive, damaged, defective, deficient, disappointing, disheartening, disparate, displeasing, disproportionate, dissatisfactory,… …
94inane — Synonyms and related words: absurd, aimless, airy, apish, arid, asinine, awkward, bare, barren, batty, befooled, beguiled, besotted, blah, bland, blank, blankminded, bleached, bloodless, bonkers, bootless, brainless, buffoonish, callow, calm,… …
95ineffective — Synonyms and related words: abortive, aimless, barren, bootless, counterproductive, effete, emasculate, empty, etiolated, failed, failing, fatuitous, fatuous, featherweight, feckless, forceless, fruitless, futile, ill qualified, impotent,… …
96ineffectual — Synonyms and related words: abortive, acarpous, aimless, arid, barren, bootless, borne, celibate, childless, counterproductive, desert, desolate, drained, dried up, dry, effete, emasculate, empty, etiolated, exhausted, failed, failing, fallow,… …
97inefficient — Synonyms and related words: artless, careless, half assed, inadept, inapt, inattentive, incapable, incapable of, incompetent, ineffective, ineffectual, inefficacious, inept, inexpert, inferior, mediocre, pedestrian, poor, skill less, slipshod,… …
98inoperative — Synonyms and related words: barren, bootless, broken, counterproductive, effete, empty, etiolated, fatuitous, fatuous, feckless, fruitless, functionless, futile, haywire, in disrepair, inadequate, inane, inapplicable, ineffective, ineffectual,… …
99invalid — Synonyms and related words: Diogenes, Hieronymian, Hieronymite, Timon of Athens, absonant, afflict, ailing, anchoress, anchorite, annulled, apoplectic, arthritic, ascetic, bad, barren, bedridden invalid, black, blank cartridge, bootless,… …
100lame — Synonyms and related words: abortive, awkward, bad, bootless, bugger, burden, castrate, castrated, clumsy, cramp, cripple, crippled, cumber, de energize, debilitate, disable, disabled, disenable, drain, emasculate, emasculated, embarrass,… …
