undefinable

noun 0.930

indefinability

noun 0.847

indefinite

noun 0.822

indeterminable

noun 0.774

unquantifiable

noun 0.726

indeterminate

noun 0.725

indeterminant

noun 0.712

unknowable

noun 0.710

indiscernible

noun 0.703

indeclinable

noun 0.675

incomprehensible

noun 0.665

unanswerable

noun 0.658

indeterminateness

noun 0.650

unpredictable

noun 0.650

indistinguishable

noun 0.648

inscrutable

noun 0.643

unknown

noun 0.641

imponderable

noun 0.641

indeterminacy

noun 0.640

nondescript

noun 0.630

definite

noun 0.628

indecipherability

noun 0.623

determinable

noun 0.623

unknowability

noun 0.621

indetermination

noun 0.620

immeasurable

noun 0.614

indistinctness

noun 0.608

vague

noun 0.605

intangible

noun 0.605

undefeatable

noun 0.604

indefinite pronoun

noun 0.604

untranslatable

noun 0.599

undecided

noun 0.598

indiscernibility

noun 0.598

indistinction

noun 0.597

undatable

noun 0.596

indubitable

noun 0.595

unobtainable

noun 0.594

indigestible

noun 0.590

infinite

noun 0.589

incomparable

noun 0.589

uncountable

noun 0.589

unmatchable

noun 0.587

unknowing

noun 0.585

unfamiliar

noun 0.584

indivisible

noun 0.584

definiteness

noun 0.583

incomprehensibility

noun 0.582

definitive

noun 0.581

incognita

noun 0.581

indifferent

noun 0.579

unpronounceable

noun 0.579

indeterminate state

noun 0.578

unattainable

noun 0.577

undecidability

noun 0.576

unarguable

noun 0.572

indispensable

noun 0.572

indefinite integral

noun 0.572

undeniability

noun 0.571

incognitum

noun 0.571

unpredictability

noun 0.567

definiendum

noun 0.566

interminable

noun 0.565

undoable

noun 0.565

inconnu

noun 0.564

infinitude

noun 0.564

indistinguishability

noun 0.563

definiens

noun 0.561

unspeakability

noun 0.560

infinity

noun 0.560

unprintable

noun 0.558

unavailable

noun 0.557

definition

noun 0.556

unchangeable

noun 0.554

infiniteness

noun 0.554

indefeasibility

noun 0.553

invariable

noun 0.552

indel

noun 0.552

unforeseen

noun 0.552

indecision

noun 0.552

invincible

noun 0.551

inscrutability

noun 0.550

indefinite article

noun 0.549

inarticulate

noun 0.547

indivisibility

noun 0.547

irredeemable

noun 0.547

indeterminism

noun 0.546

je ne sais quoi

noun 0.546

unavoidable

noun 0.545

infinitive

noun 0.545

inedible

noun 0.545

unbreakable

noun 0.545

unsureness

noun 0.544

inseparable

noun 0.544

incommensurable

noun 0.543

define

noun 0.543

unseen

noun 0.541

uncertainty

noun 0.540

unthought

noun 0.540

inaccessible

noun 0.540