undercover

adj 0.706

covert

adj 0.702

incog

adj 0.701

inconspicuous

adj 0.681

hidden

adj 0.678

stealth

adj 0.676

invisible

adj 0.664

cloaked

adj 0.660

clandestine

adj 0.646

disguised

adj 0.646

incognita

adj 0.645

under cover

adj 0.639

undisclosed

adj 0.635

plainclothes

adj 0.631

unobtrusive

adj 0.631

unhidden

adj 0.631

surreptitious

adj 0.630

sub rosa

adj 0.628

stealthy

adj 0.618

unseen

adj 0.617

confidential

adj 0.617

occult

adj 0.617

discreet

adj 0.613

hidden in plain sight

adj 0.611

anonymous

adj 0.610

hided

adj 0.608

secretive

adj 0.608

camouflaged

adj 0.603

unpublicized

adj 0.602

concealable

adj 0.601

undetected

adj 0.594

unobserved

adj 0.592

secret

adj 0.589

occulted

adj 0.589

anonymized

adj 0.587

unadvertised

adj 0.586

hideaway

adj 0.584

untraceable

adj 0.584

closeted

adj 0.582

unbeknown

adj 0.578

obscure

adj 0.577

out of sight

adj 0.576

unconcealed

adj 0.574

hush-hush

adj 0.574

uncloaked

adj 0.573

unconscious

adj 0.571

unexposed

adj 0.570

unlisted

adj 0.569

nonpublic

adj 0.568

secluded

adj 0.568

undiscovered

adj 0.566

subliminal

adj 0.566

top secret

adj 0.565

nonprivate

adj 0.565

unnoticed

adj 0.563

subconscious

adj 0.563

faceless

adj 0.563

obscured

adj 0.562

unmasked

adj 0.562

recondite

adj 0.562

unannounced

adj 0.561

unconfessed

adj 0.560

unrevealed

adj 0.558

veiled

adj 0.557

unacknowledged

adj 0.557

undivulged

adj 0.556

sneaky

adj 0.556

unidentified

adj 0.554

unspoken

adj 0.554

undisplayed

adj 0.553

sneaking

adj 0.551

unperceived

adj 0.550

reclusive

adj 0.550

unrecorded

adj 0.548

top-secret

adj 0.548

underground

adj 0.547

masked

adj 0.546

sneak

adj 0.545

obfuscated

adj 0.544

unconcealing

adj 0.542

unsuspected

adj 0.542

underhanded

adj 0.542

undetectable

adj 0.541

shrouded

adj 0.541

hugger-mugger

adj 0.541

inscrutable

adj 0.540

deniable

adj 0.540

unreported

adj 0.540

unclassified

adj 0.538

private

adj 0.538

oblivious

adj 0.538

unostentatious

adj 0.538

unselfconscious

adj 0.537

incommunicado

adj 0.537

undiscoverable

adj 0.537

tacit

adj 0.536

unrevealing

adj 0.536

pseudonymous

adj 0.536

nontransparent

adj 0.536

sotto voce

adj 0.535