unattainable

noun 0.876

unreachable

noun 0.751

impossible

noun 0.722

undoable

noun 0.707

unavailable

noun 0.702

inaccessible

noun 0.702

attainable

noun 0.681

unworkable

noun 0.644

impossibility

noun 0.643

unknowable

noun 0.638

inaccessibility

noun 0.629

unmatchable

noun 0.625

undefinable

noun 0.614

nonavailability

noun 0.612

unanswerable

noun 0.601

unavailability

noun 0.597

indefinable

noun 0.594

unteachable

noun 0.593

unquantifiable

noun 0.591

incomprehensible

noun 0.590

unwearable

noun 0.587

undefeatable

noun 0.586

undeliverable

noun 0.584

undesirable

noun 0.584

attainability

noun 0.584

unknowability

noun 0.583

uncollectible

noun 0.583

unacceptable

noun 0.582

unassailable

noun 0.581

unfeasibility

noun 0.581

unavoidable

noun 0.580

indiscernible

noun 0.580

unsolvability

noun 0.579

incomparable

noun 0.579

untranslatable

noun 0.579

unapproachability

noun 0.576

inconceivability

noun 0.574

untouchable

noun 0.574

irredeemable

noun 0.572

unsaleable

noun 0.568

inimitability

noun 0.567

unemployable

noun 0.567

unseen

noun 0.566

unenforceability

noun 0.564

unsalable

noun 0.564

unreconcilable

noun 0.563

impracticability

noun 0.563

uninsurable

noun 0.563

intangible

noun 0.561

infeasibility

noun 0.561

impracticality

noun 0.557

indefinability

noun 0.557

unprintable

noun 0.555

unbreakable

noun 0.555

undatable

noun 0.555

indeterminable

noun 0.553

unpredictable

noun 0.552

impenetrable

noun 0.551

unavoidability

noun 0.550

incurable

noun 0.550

incommensurable

noun 0.549

inadmissible

noun 0.547

unsatisfiability

noun 0.546

unhopeful

noun 0.545

unlikely

noun 0.544

indistinguishable

noun 0.543

invincible

noun 0.543

immovable

noun 0.542

nonreal

noun 0.541

incapable

noun 0.540

unchangeable

noun 0.539

insoluble

noun 0.539

immeasurable

noun 0.539

irreconcilable

noun 0.537

unworthy

noun 0.537

unelectable

noun 0.537

unarguable

noun 0.534

unattractive

noun 0.534

unpronounceable

noun 0.533

undrinkable

noun 0.533

unreality

noun 0.533

incompatible

noun 0.532

improbability

noun 0.532

inability

noun 0.532

incomparability

noun 0.530

unthought

noun 0.530

indubitable

noun 0.530

mission impossible

noun 0.530

unlikelihood

noun 0.529

nonobjective

noun 0.529

nonoccurrence

noun 0.528

inscrutable

noun 0.528

undesirability

noun 0.527

imperishable

noun 0.527

unforeseen

noun 0.527

unwanted

noun 0.525

uncountable

noun 0.525

nonexistence

noun 0.525

indigestible

noun 0.524

unlikeliness

noun 0.522