unobtrusive

unobtrusive
    adj 1: not obtrusive or undesirably noticeable; "a quiet,
           unobtrusive life of self-denial" [syn: {unobtrusive},
           {unnoticeable}] [ant: {noticeable}, {obtrusive}]
    

Unobtrusive \Un`ob*tru"sive\, a.
   Not obtrusive; not presuming; modest. -- {Un`ob*tru"sive*ly},
   adv. -- {Un`ob*tru"sive*ness}, n.
   [1913 Webster]
    

59 Moby Thesaurus words for "unobtrusive":
      Attic, aesthetic, artistic, back-door, backstairs, chaste, choice,
      clandestine, classic, covert, excellent, feline, furtive, hidlings,
      hole-and-corner, hugger-mugger, humble, in good taste, meek,
      modest, of choice, of quality, pleasing, privy, pure, quiet,
      restrained, shifty, simple, skulking, slinking, slinky, sly,
      sneaking, sneaky, stealthy, subdued, surreptitious, tasteful,
      tasty, unaffected, unambitious, unaspiring, unassuming, unboastful,
      under-the-counter, under-the-table, undercover, underground,
      underhand, underhanded, understated, unimposing, unostentatious,
      unpresuming, unpresumptuous, unpretending, unpretentious,
      well-chosen