unknown

adj 0.795

undiscovered

adj 0.742

unidentified

adj 0.708

unascertained

adj 0.707

unbeknown

adj 0.702

undetermined

adj 0.681

unexplored

adj 0.669

little-known

adj 0.661

unrevealed

adj 0.654

undiagnosed

adj 0.654

undescribed

adj 0.653

unnamed

adj 0.652

unknowable

adj 0.647

undisclosed

adj 0.647

unspecified

adj 0.639

unrecognized

adj 0.635

unfamiliar

adj 0.635

untried

adj 0.633

unexplained

adj 0.632

untested

adj 0.631

unknowing

adj 0.629

unsolved

adj 0.626

unidentifiable

adj 0.624

unreleased

adj 0.624

uninvestigated

adj 0.624

unfound

adj 0.623

unseen

adj 0.622

unsure

adj 0.618

untraced

adj 0.617

unobserved

adj 0.616

unascertainable

adj 0.614

uncharted

adj 0.614

unreported

adj 0.614

incognita

adj 0.613

unconfirmed

adj 0.612

unresolved

adj 0.611

undetected

adj 0.611

unclarified

adj 0.610

unheard

adj 0.608

unpublished

adj 0.604

unrecorded

adj 0.604

unlisted

adj 0.602

undeclared

adj 0.601

unlocated

adj 0.600

unclassified

adj 0.599

undefined

adj 0.596

undiscoverable

adj 0.596

unassessed

adj 0.596

unannounced

adj 0.596

unencountered

adj 0.596

unmentioned

adj 0.595

uncertain

adj 0.595

unfathomed

adj 0.594

unmapped

adj 0.592

unexposed

adj 0.591

unassigned

adj 0.587

unsuspected

adj 0.585

unverified

adj 0.585

untitled

adj 0.583

unmeasured

adj 0.583

unmanifested

adj 0.582

unstated

adj 0.581

unclear

adj 0.581

undiscussed

adj 0.581

unexplicated

adj 0.579

unproven

adj 0.576

unascribed

adj 0.576

undivulged

adj 0.576

untold

adj 0.576

unpublicized

adj 0.575

unacknowledged

adj 0.575

unstudied

adj 0.575

unaccounted

adj 0.575

undecided

adj 0.574

untracked

adj 0.572

unaccounted-for

adj 0.572

unpredicted

adj 0.571

unforeseen

adj 0.569

unsubmitted

adj 0.569

unproved

adj 0.568

unfinished

adj 0.568

nonrecognized

adj 0.566

mysterious

adj 0.564

nameless

adj 0.563

unanswered

adj 0.562

unborn

adj 0.562

unaware

adj 0.562

lesser-known

adj 0.561

unanalyzed

adj 0.561

unsaid

adj 0.560

unnameable

adj 0.560

untraveled

adj 0.560

unattested

adj 0.559

unattempted

adj 0.556

unacquainted

adj 0.556

undocumented

adj 0.555

nonidentifiable

adj 0.554

unissued

adj 0.552

unforeseeable

adj 0.552

untasted

adj 0.552