Inefficacious
101lightweight — Synonyms and related words: Boeotian, Chinese boxer, Milquetoast, a nobody, a nothing, baby, bantam, bantamweight, banty, big baby, black belt, block, boxer, breakable, brittle, brown belt, bruiser, button, catchweight, cheap jack, chicken, chit …
102manque — Synonyms and related words: abortive, bootless, failed, failing, fruitless, futile, ineffective, ineffectual, inefficacious, lame, miscarried, miscarrying, of no effect, stickit, stillborn, successless, unfortunate, unsuccessful, useless …
103meaningless — Synonyms and related words: absurd, aimless, amorphous, asinine, blank, bootless, capricious, casual, designless, desultory, disarticulated, discontinuous, disinclined to communicate, disjunct, disordered, dispersed, disproportionate, empty,… …
104no account — Synonyms and related words: NG, cheap, featherweight, forceless, good for naught, good for nothing, impotent, ineffective, ineffectual, inefficacious, junk, junky, lightweight, no good, not worth having, not worth mentioning, not worthwhile,… …
105nugatory — Synonyms and related words: NG, airy, asinine, barren, bootless, catchpenny, cheap, counterproductive, effete, empty, etiolated, fatuitous, fatuous, feckless, flimsy, foolish, fribble, fribbling, frivolous, frothy, fruitless, futile, good for… …
106null — Synonyms and related words: aimless, bad, bare, barren, bland, blank, bleached, characterless, clear, designless, devoid, empty, existless, featureless, garbled, hollow, importless, inane, ineffective, ineffectual, inefficacious, insignificant,… …
107powerless — Synonyms and related words: anemic, asthenic, bloodless, chicken, cowardly, crippled, debilitated, decrepit, disabled, drooping, droopy, dull, effete, etiolated, faint, faintish, featherweight, feeble, flabby, flaccid, floppy, forceless, gone,… …
108sterile — Synonyms and related words: abortive, acarpous, antiseptic, arid, aseptic, bare, barren, blah, blank, bloodless, boiled, bootless, celibate, characterless, childless, cold, colorless, counterproductive, dead, decontaminated, desert, desolate,… …
109stillborn — Synonyms and related words: abortive, asleep, asleep in Jesus, at rest, bearing, bereft of life, bootless, born, breathless, called home, calved, carrion, cast, croaked, dead, dead and gone, death struck, deceased, defunct, demised, departed,… …
110unauthoritative — Synonyms and related words: Albigensian, Arian, Catharist, Donatist, Ebionitist, Erastian, Gnostic, Jansenist, Jansenistic, Jovinianist, Jovinianistic, Lollard, Manichaean, Monophysite, Monophysitic, Montanist, Montanistic, Pelagian, Sabellian,… …