imperceptibility

• POS: Noun
• HYPHEN: im=per=cep=ti=bil=i=ty

CIDE DICTIONARY

imperceptibility, n. 

 The state or quality of being imperceptible.  [1913 Webster]

ROGET THESAURUS

imperceptibility

Invisibility

N invisibility, invisibleness, nonappearance, imperceptibility, indistinctness, mystery, delitescence, concealment, latency, invisible, imperceptible, undiscernible, indiscernible, unapparent, non-apparent, out of sight, not in sight, a perte de vue, behind the scenes, behind the curtain, viewless, sightless, inconspicuous, unconspicuous, unseen &c (see), covert, eclipsed, under an eclipse, dim, mysterious, dark, obscure, confused, indistinct, indistinguishable, shadowy, indefinite, undefined, ill- defined, ill-marked, blurred, fuzzy, out of focus, misty, delitescent, hidden, obscured, covered, veiled (concealed), full many a flower is born to blush unseen.

Implication

N latency, implication, latency, inexpression, hidden meaning, occult meaning, occultness, mystery, cabala, anagoge, silence, concealment, more than meets the eye, more than meets the ear, Delphic oracle, le dessous des cartes, undercurrent, implication, logical implication, logical consequence, entailment, allusion, insinuation, innuendo, adumbration, something rotten in the state of Denmark, snake in the grass, secret, darkness, invisibility, imperceptibility, latent, lurking, secret, occult, implied, dormant, abeyant, unapparent, unknown, unseen, in the background, invisible, indiscoverable, dark, impenetrable, unspied, unsuspected, unsaid, unwritten, unpublished, unbreathed, untalked of, untold &c, unsung, unexposed, unproclaimed, undisclosed, unexpressed, not expressed, tacit, undeveloped, solved, unexplained, untraced, undiscovered, untracked, unexplored, uninvented, indirect, crooked, inferential, by inference, by implication, implicit, constructive, allusive, covert, muffled, steganographic, understood, underhand, underground, delitescent, concealed, by a side wind, sub silentio, in the background, behind the scenes, behind one's back, on the tip of one's tongue, secretly, between the lines, thereby hangs a tale, tacitum vivit sub pectore vulnus, where there's smoke, there's fire.