inefficacious
61defunct — I adjective abrogated, all gone, all over with, annulled, cancelled, dead, deceased, demised, departed, devoid of life, ended, exanimate, expired, extinct, finished, gone, gone out of existence, inactive, inefficacious, inoperative, lifeless,… …
62futile — I adjective abortive, barren, bootless, feckless, fruitless, futilis, gainless, hopeless, inanis, ineffective, ineffectual, inefficacious, insignificant, inutile, nugatory, otiose, profitless, resultless, unavailing, unfruitful, unimportant,… …
63gone — I (dead) adjective bygone, deceased, defunct, demised, exanimate, expired, extinct, lifeless, passed, passed on II (finished) adjective accomplished, achieved, at an end, brought to a conclusion, completed, concluded, consumed, consummated,… …
64inadept — I adjective artless, awkward, feckless, feeble, impotent, incapable, incompetent, ineffective, ineffectual, inefficacious, inefficient, inept, inexpert, insufficient, lacking, lame, poor, unable, unaccomplished, unadroit, unapt, unclever, undeft …
65inadequate — I adjective assailable, deficient, depleted, disabled, disappointing, displeasing, emasculate, exhausted, feckless, feeble, helpless, impaired, impar, impotent, incapable, incompetent, incomplete, indefensible, ineffective, ineffectual,… …
66ineffective — I adjective abortive, barren, disabled, effete, emasculated, feckless, feeble, figurehead, fruitless, futile, gainless, good for nothing, impotent, inadequate, incompetent, indecisive, ineffectual, inefficacious, inept, inoperative, insufficient …
67ineffectual — I adjective abortive, barren, effete, emasculated, feckless, feeble, figurehead, fruitless, futile, gainless, good for nothing, idle, impotent, inadequate, incompetent, indecisive, ineffective, inefficacious, inept, inoperative, insufficient,… …
68inept — I (incompetent) adjective awkward, blundering, bungling, clumsy, disqualified, foolish, ignorant, ill qualified, impotent, inadept, inadequate, inapt, incapable, incompetent, ineffective, ineffectual, inefficacious, inefficient, ineptus, inexpert …
69null and void — I adjective abolished, abrogated, annulled, canceled, defeated, defunct, disannulled, disestablished, effectless, extinct, extinguished, forceless, impotent, ineffective, ineffectual, inefficacious, inoperative, invalid, negated, no longer law,… …
70otiose — I adjective abortive, apathetic, arid, barren, bootless, dallying, dilatory, disengaged, dispensable, disused, dormant, dried up, effete, exhausted, expendable, faineant, fallow, feckless, fruitless, futile, idle, impotent, impracticable,… …
