unexplicated

adj 0.857

inexplicable

adj 0.808

unidentified

adj 0.732

unknown

adj 0.710

mysterious

adj 0.708

unaccounted

adj 0.707

unsolved

adj 0.706

undiagnosed

adj 0.705

unaccounted-for

adj 0.703

unmysterious

adj 0.703

undetermined

adj 0.695

unfathomed

adj 0.693

unidentifiable

adj 0.686

uncaused

adj 0.678

undescribed

adj 0.674

unfound

adj 0.670

unclarified

adj 0.670

unresolved

adj 0.664

unexplored

adj 0.664

undefinable

adj 0.663

unpredicted

adj 0.662

uninvestigated

adj 0.660

explainable

adj 0.660

unproved

adj 0.657

unrevealed

adj 0.657

unrecognized

adj 0.652

untraced

adj 0.651

unobserved

adj 0.648

unspecified

adj 0.647

unascertained

adj 0.646

undiscovered

adj 0.644

unfamiliar

adj 0.639

unprovoked

adj 0.638

indefinable

adj 0.637

uncharted

adj 0.636

unfathomable

adj 0.635

unmapped

adj 0.633

as yet unknown

adj 0.632

unmeasured

adj 0.630

unbeknown

adj 0.630

enigmatic

adj 0.628

unverified

adj 0.625

inscrutable

adj 0.625

unseen

adj 0.625

strange

adj 0.624

idiopathic

adj 0.623

unlocated

adj 0.622

unannounced

adj 0.622

unreported

adj 0.621

unsuspected

adj 0.621

unforeseen

adj 0.620

unanswered

adj 0.619

unproven

adj 0.619

explicable

adj 0.618

unusual

adj 0.617

unheard

adj 0.616

unexamined

adj 0.615

unclassified

adj 0.615

incomprehensible

adj 0.614

mystified

adj 0.614

unanalyzed

adj 0.614

undiscoverable

adj 0.613

unsubstantiated

adj 0.612

unconfirmed

adj 0.612

mystifying

adj 0.611

unknowable

adj 0.610

untraceable

adj 0.610

unclassifiable

adj 0.609

puzzling

adj 0.609

undetected

adj 0.608

unapparent

adj 0.608

unverifiable

adj 0.606

undeclared

adj 0.605

unaccountable

adj 0.604

unnamed

adj 0.604

unascribed

adj 0.604

unresolvable

adj 0.603

unfounded

adj 0.603

enigmatical

adj 0.603

unthought

adj 0.603

undisclosed

adj 0.602

baffling

adj 0.601

undefined

adj 0.601

unanswerable

adj 0.597

unstated

adj 0.597

undiscussed

adj 0.596

undocumented

adj 0.595

unpredictable

adj 0.594

ill-defined

adj 0.593

unclear

adj 0.593

unsure

adj 0.593

unanticipated

adj 0.592

uncomprehending

adj 0.592

unstudied

adj 0.592

cryptogenic

adj 0.592

undiagnostic

adj 0.590

unlooked for

adj 0.590

unwonted

adj 0.590

unknowing

adj 0.589

unsearchable

adj 0.589