unfeasible, feasible, uneconomical, impractical, unworkable, prohibitive, undoable, uneconomic, problematic, unviable, inviable, plausible, impossible, unpractical, unusable, implausible, unsupportable, unaffordable, counterproductive, unsuitable, doable, unachievable, ineffective, irrelevant, moot, untenable, inaccessible, tenable, workable, incompatible, illogical, obsolete, inapplicable, unwise, viable, problematical, desirable, inconvenient, defensible, insufficient, unmarketable, unsound, useless, unattainable, unattractive, unrealistic, inadequate, supportable, buildable, unnavigable, inefficacious, flawed, invalid, inexpedient, unenforceable, nonviable, unmanageable, accomplishable, insuperable, preferable, unreliable, unavoidable, fundable, unobtainable, inefficient, realizable, superfluous, irresolvable, inoperable, unfounded, unuseable, untrue, improvable, conjectural, undesirable, infructuous, costly, unreasonable, unsafe, illusory, redundant, unproblematic, burdensome, unadvisable, counterintuitive, disadvantageous, unappealing, nonfunctional, unpalatable, preposterous, arbitrary, onerous, obsolescent, developable, futile, justifiable, pointless, challengeable, unsustainable, unrecoverable, incorrect, expensive, feasibility, algorithm, algorithms, approaches, architectures, branding, certification, degenerate, diagnosis, dimensioning, emphases, factorization, formalisms, formalization, formulas, formulation, hermeneutic, hydraulics, implementation, implementable, optimal, admissible, discretized, nonoptimal, optimised, discrete, nontrivial, optimized, extremal, predefined, preestablished, specified, fuzzy, minimizing

impossible, impracticable, unfeasible, unworkable