ineffective, ineffectual, uneffective

efficient, affective, ineffective, efficacious, effectual, beneficial, economical, reliable, feasible, useful, advantageous, expedient, potent, accurate, amenable, adept, productive, durable, lethal, inexpensive, successful, forceful, powerful, adaptable, flexible, consistent, responsive, persuasive, viable, amendable, appropriate, convenient, inhibitive, active, straightforward, valuable, practicable, optimal, helpful, abusable, disruptive, dependable, costly, robust, sensible, important, problematic, proactive, aggressive, workable, attractive, practical, acceptable, painless, simple, costless, tenable, preferable, palatable, transparent, eradicable, desirable, easy, defensible, affordable, profitable, meaningful, antimalarial drug, versatile, innovative, prohibitive, counterproductive, behavior modification, adroit, antitumour, user friendly, timely, necessary, agile, achievable, intuitive, duplicable, duplicatable, radiosensitive, credible, equitable, ineffectual, preventative, manageable, magic bullet, doable, intradermal, inefficient, authoritative, harmful, resourceful, facilitative, supportable, prudent, controllable, resistant, relevant, price, ap, cost, rs, accrue, altitude, arable, chargeable, correspond, rental, salary, short, total, 1s, ac, approximate, com, con, depth, f, costeffective, preventive, based, focused, individualized, palliative, remedial, suboptimal

3tc, activation, adjuster, adjustor, anti-personnel bomb, antipersonnel bomb, antisyphilitic, atorvastatin, bacitracin, backdate, barn, booster, booster dose, booster shot, changing, chlorthalidone, claims adjuster, claims adjustor, claim agent, compensating balance, coordination, daisy cutter, declomycin, degeneration, demeclocycline hydrochloride, devolution, doxycycline, dynamise, dynamize, e-mycin, eccm, ecm, effectively, effectiveness, effectivity, effectuality, effectualness, efficaciously, efficient, electronic counter-countermeasures, electronic countermeasures, element, eloquence, erythrocin, erythromycin, ethril, ever-changing, fet, field-effect transistor, firebomb, fluency, force, fragmentation bomb, future, hygroton, ilosone, impair, impelling, incendiary, incendiary bomb, incompetent, incompetent person, ineffectiveness, ineffectuality, ineffectualness, ingredient, key, lamivudine, larium, lipitor, macrodantin, marshals, mefloquine, mefloquine hydrochloride, mephaquine, naloxone, narcan, nebcin, nitrofurantoin, on, operative, oxacillin, pediamycin, pneumococcal vaccine, pneumovax, range, reach, recall dose, registration fire, rough-and-ready, silvex, take effect, target acquisition system, temperateness, thalidone, tobramycin, trenchantly, united states marshals service, us marshals service, vancocin, vancomycin, vibramycin, worse

actual, competent, effectual, efficacious, efficient, existent, good, hard-hitting, impelling, impressive, in effect, in force, operational, operative, telling, trenchant