unapparent Synonyms

be viewless unseen unknown shadowless secret obscured obscure mysterious latent invisible vague veiled unsuspected unrevealed unobvious unobservable out of sight unclear unexposed camouflaged unintelligible intangible insensible faint enigmatic disguised covert concealed clouded clandestine buried ambiguous hidden impalpable inner indistinguishable indistinct indiscoverable indiscernible inconspicuous inappreciable imperceptible impenetrable able