uncertain

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unsure

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unascertained

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unascertainable

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indeterminate

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indeterminant

adj 0.721

undetermined

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unassured

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in doubt

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indeterminable

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unclear

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indefinite

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doubtful

adj 0.669

undecided

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unconfirmed

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unclarified

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uncertificated

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certain

adj 0.639

unspecified

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doubtable

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unconfident

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iffy

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dubious

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questionable

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insecure

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indecisive

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tentative

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ill-defined

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inconstant

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irresolute

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vague

adj 0.610

incognita

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imprecise

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ambiguous

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inexact

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dubitative

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hesitant

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dubitable

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unknown

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imponderable

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equivocal

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undecidable

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instable

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chancy

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undefinable

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undoubting

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unconstant

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unguessable

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undiagnostic

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unpredictable

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indefinable

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unidentified

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contingent

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unidentifiable

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unknowable

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unsteady

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inconclusive

adj 0.581

determinable

adj 0.579

unsettled

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unverified

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untrusted

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undoubtable

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unclassifiable

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indistinct

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fluctuant

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unquantifiable

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nonguaranteed

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confused

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unfixed

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unknowing

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ambivalent

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unclassified

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suspect

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unresolved

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inconsistent

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dicey

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undependable

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undoubted

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doubtless

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underconfident

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unstable

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uncleared

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incalculable

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diffident

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unfamiliar

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probabilistic

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unequivocal

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undeclared

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indiscernible

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untested

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as yet unknown

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improbable

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inscrutable

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probable

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uncharted

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unquestionable

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confusing

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