as yet unknown

adj 0.795

unidentified

adj 0.790

undefined

adj 0.750

unbeknown

adj 0.750

unknowable

adj 0.749

unknowing

adj 0.732

undiscovered

adj 0.729

unnamed

adj 0.726

unrecognized

adj 0.723

undetermined

adj 0.719

unfamiliar

adj 0.715

unexplained

adj 0.710

unascertained

adj 0.705

unidentifiable

adj 0.704

unspecified

adj 0.698

unsure

adj 0.694

little-known

adj 0.694

incognita

adj 0.686

unexplored

adj 0.675

undiagnosed

adj 0.674

mysterious

adj 0.673

undisclosed

adj 0.673

undescribed

adj 0.665

unclear

adj 0.663

unrevealed

adj 0.662

uncertain

adj 0.661

untitled

adj 0.657

unclassified

adj 0.655

unclarified

adj 0.655

undeclared

adj 0.654

unsolved

adj 0.654

uncharted

adj 0.653

undefinable

adj 0.653

known

adj 0.649

unfathomed

adj 0.648

nameless

adj 0.647

unobserved

adj 0.646

unfound

adj 0.646

uncategorized

adj 0.642

unresolved

adj 0.641

unseen

adj 0.639

unlocated

adj 0.637

unascertainable

adj 0.637

unmapped

adj 0.635

unaware

adj 0.635

untraced

adj 0.634

unlabeled

adj 0.633

unlisted

adj 0.633

unreported

adj 0.633

unnameable

adj 0.632

unheard

adj 0.631

undiscoverable

adj 0.630

untested

adj 0.630

unexplicated

adj 0.630

unannounced

adj 0.629

unclassifiable

adj 0.628

anonymous

adj 0.624

nonrecognized

adj 0.620

indefinable

adj 0.619

unpredicted

adj 0.619

unassigned

adj 0.618

unexpected

adj 0.618

uninvestigated

adj 0.618

indeterminable

adj 0.617

undocumented

adj 0.616

unverified

adj 0.615

unascribed

adj 0.615

indeterminate

adj 0.614

unrecognizable

adj 0.614

unrecorded

adj 0.613

unaccounted

adj 0.612

unmeasured

adj 0.612

unacknowledged

adj 0.612

ill-defined

adj 0.611

unreleased

adj 0.611

unlabelled

adj 0.610

nonidentifiable

adj 0.610

undetected

adj 0.610

ambiguous

adj 0.610

hidden

adj 0.609

invisible

adj 0.606

unconfirmed

adj 0.604

untracked

adj 0.603

unpublished

adj 0.603

incertain

adj 0.603

unstudied

adj 0.603

blank

adj 0.602

unsuspected

adj 0.600

unmysterious

adj 0.600

unexposed

adj 0.599

unstated

adj 0.598

unpredictable

adj 0.598

null

adj 0.598

untried

adj 0.597

unacquainted

adj 0.597

untraceable

adj 0.596

uncaught

adj 0.596

obscure

adj 0.596

untold

adj 0.595

inexplicable

adj 0.594