unsolvable, intractable, solvable, irresolvable, unresolvable, insuperable, resolvable, surmountable, insoluble, unavoidable, unsurmountable, existential, rectifiable, solving, vexing, conquerable, simultaneous equations, insurmountable, knottiest, nonrational, epistemic, unresolved, unmanageable, unrealizable, unbridgeable, perplexing, trivial, incommensurable, anthropic, remediable, festering, hopeless, maladapted, recurring decimal, unsusceptible, epistemological, irremediable, inescapable, discussable, unknowable, graspable, unthought, unvoiced, afflicting, abstract noun, fixable, unadaptable, escapable, unaddressed, bridgeable, malthusian, societal, perfectible, irreducible, ineradicable, choiceless, incomprehensible, muddleheaded, ponderable, reformable, irrational, evitable, thorny, imponderable, obvious, dualist, syntactical, undebatable, delusory, containable, inevitable, unfathomed, irreconcilable, unuttered, unending, unconceivable, delusive, unnamable, definitional, pettier, chimerical, illusionary, unperceived, falsifiable, simpleminded, dostoevskian, unfathomable, infinite, causeless, uncreated, unhidden, unescapable, ideologic, unappeasable, improvable, innumerate, unchangeable, governable, geostrategic, unarticulated, irresponsive, ontological, unsolved, baffling, puzzling, unanswered, daunting, knotty, aporetic, embarrassing, exigent

unsoluble