unobserved - Wordage.info - Free Thesaurus Tool for Word Discovery - Expanded Thesaurus, Reverse Dictionary Lookup

unmarked collapse: not having an identifying mark; "unmarked cards"; "an unmarked police car"

indiscernible collapse: difficult or impossible to perceive or discern; "an indiscernible increase in temperature"; barely able to be perceived; "the transition was almost indiscernible"; "an almost insensible change"

invisible collapse: impossible or nearly impossible to see; imperceptible by the eye; "the invisible man"; "invisible rays"; "an invisible hinge"; "invisible mending"

imperceptible collapse: impossible or difficult to perceive by the mind or senses; "an imperceptible drop in temperature"; "an imperceptible nod"; "color is unperceivable to the touch"

concealed collapse: hidden on any grounds for any motive; "a concealed weapon"; "a concealed compartment in his briefcase"; not accessible to view; "concealed (or hidden) damage"; "in stormy weather the stars are out of sight"

hidden collapse: difficult to find; "hidden valleys"; "a hidden cave"; "an obscure retreat"; designed to elude detection; "a hidden room or place of concealment such as a priest hole"; "a secret passage"; "the secret compartment in the desk"

latent collapse: not presently active; "latent infection"; "latent diabetes"; potentially existing but not presently evident or realized; "a latent fingerprint"; "latent talent"

insensible collapse: unresponsive to stimulation; "he lay insensible where he had fallen"; "drugged and senseless"; incapable of physical sensation; "insensible to pain"; "insensible earth"

out of sight collapse: no longer visible; "the ship disappeared behind the horizon and passed out of sight"

secret collapse: information known only to a special group; "the secret of Cajun cooking"; something that should remain hidden from others (especially information that is not to be passed on); "the combination to the safe was a secret"; "he tried to keep his drinking a secret"; the next to highest level of official classification for documents; not expressed; "secret (or private) thoughts"; indulging only covertly; "a secret alcoholic"; communicated covertly; "their secret signal was a wink"; "secret messages"; not open or public; kept private or not revealed; "a secret formula"; "secret ingredients"; "secret talks"

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