indefinable

noun 0.930

indefinability

noun 0.814

indeterminable

noun 0.751

unknowable

noun 0.732

indefinite

noun 0.729

unquantifiable

noun 0.729

indeterminate

noun 0.688

indeterminant

noun 0.686

unanswerable

noun 0.670

unknown

noun 0.666

unknowability

noun 0.659

indeterminateness

noun 0.657

indeterminacy

noun 0.650

incomprehensible

noun 0.649

unpredictable

noun 0.647

indiscernible

noun 0.646

imponderable

noun 0.643

indeclinable

noun 0.630

indetermination

noun 0.628

untranslatable

noun 0.618

unobtainable

noun 0.614

undefeatable

noun 0.612

determinable

noun 0.610

undecidability

noun 0.609

inscrutable

noun 0.604

indistinguishable

noun 0.603

unmatchable

noun 0.601

unpredictability

noun 0.595

indeterminate state

noun 0.594

undeniability

noun 0.594

vague

noun 0.593

incomprehensibility

noun 0.593

indecipherability

noun 0.591

uncountable

noun 0.590

unattainable

noun 0.590

immeasurable

noun 0.589

unavailable

noun 0.588

indistinctness

noun 0.588

definite

noun 0.588

undecided

noun 0.586

unfamiliar

noun 0.584

indistinction

noun 0.584

intangible

noun 0.581

unknowing

noun 0.581

undoable

noun 0.581

undatable

noun 0.581

nondescript

noun 0.579

incognita

noun 0.579

unpronounceable

noun 0.578

unboundedness

noun 0.575

indiscernibility

noun 0.575

unspeakability

noun 0.572

infinite

noun 0.571

unarguable

noun 0.570

unreachable

noun 0.570

indeterminism

noun 0.568

uncertainty

noun 0.567

incomparable

noun 0.567

definiteness

noun 0.566

infinity

noun 0.565

unthought

noun 0.564

formlessness

noun 0.564

impossible

noun 0.563

incognitum

noun 0.562

definition

noun 0.562

indubitable

noun 0.562

definiendum

noun 0.561

indistinguishability

noun 0.560

unsureness

noun 0.560

unprintable

noun 0.559

indivisible

noun 0.559

inconceivability

noun 0.556

inscrutability

noun 0.556

indefinite pronoun

noun 0.556

definiens

noun 0.555

boundlessness

noun 0.554

inconnu

noun 0.554

ignorability

noun 0.553

definitive

noun 0.552

define

noun 0.551

unforeseen

noun 0.550

unbreakable

noun 0.549

unsolvability

noun 0.549

infinitude

noun 0.549

untranslatability

noun 0.549

unteachable

noun 0.548

unfinishedness

noun 0.548

vagueness

noun 0.546

unclarity

noun 0.546

unclearness

noun 0.546

unchangeable

noun 0.544

limitlessness

noun 0.542

nonobjective

noun 0.541

invincible

noun 0.541

intangibility

noun 0.540

je ne sais quoi

noun 0.539

irredeemable

noun 0.539

unreconcilable

noun 0.539

unknowingness

noun 0.538

unmentionable

noun 0.538