unperceived

from WordNet (r) 3.0 (2006)

unperceived
    adj 1: not perceived or commented on [syn: {unperceived},
           {unremarked}]

from The Collaborative International Dictionary of English v.0.48

Unperceived \Unperceived\
   See {perceived}.

from Moby Thesaurus II by Grady Ward, 1.0

76 Moby Thesaurus words for "unperceived":
      able, behind the curtain, behind the scenes, camouflaged,
      concealed, disguised, enigmatic, hidden, imperceptible,
      incalculable, incognizable, indiscernible, insensible, invisible,
      latent, mysterious, out of sight, puzzling, sealed, secret,
      sightless, strange, submerged, unapparent, unapprehended,
      unascertained, unbeheld, unbeholdable, unbeknown, uncharted,
      unclassified, unconsidered, undescried, undetected, undiscernible,
      undisclosed, undiscoverable, undiscovered, undivulged, unexplained,
      unexplored, unexposed, unfamiliar, unfathomed, unheard, unheard-of,
      unheeded, unidentified, uninvestigated, unknowable, unknown,
      unmarked, unminded, unmissed, unnoted, unnoticed, unobserved,
      unperceivable, unplumbed, unrealized, unregarded, unremarked,
      unrevealed, unseeable, unseen, unsolved, unspied, unsuspected,
      unthought-of, untouched, untraced, untracked, unviewed,
      unwitnessed, viewless, virgin