Synonyms for Imperceptibly:

• adv

  •gradually (adverb)
  • successively,
  • progressively,
  • step by step,
  • piece by piece,
  • inch by inch,
  • serially,
  • little by little,
  • by installments,
  • perceptibly,
  • continuously,
  • unhurriedly,
  • sequentially.
  •hardly (adverb)
  • not measurably,
  • no way,
  • faintly,
  • not markedly,
  • not notably,
  • detectably,
  • not at all,
  • pretty near,
  • not a bit,
  • not often,
  • Scantly,
  • by no means,
  • no more than,
  • by a hair,
  • only just,
  • not much,
  • not likely,
  • almost not,
  • not by much,
  • once in a blue moon,
  • once in blue moon,
  • not noticeably.

• adv.

  •all (adverb)
  • imperceptibly.
  •gradually (adverb)
  • gently,
  • evenly,
  • easily,
  • in small doses,
  • moderately.
  •hardly (adverb)
  • not quite,
  • with trouble,
  • sparsely,
  • infrequently.
  •slightly (adverb)
  • in-considerably,
  • in appreciably,
  • hardly all,
  • on small scale,
  • some degree,
  • in considerably,
  • kind of,
  • more less,
  • in-appreciably,
  • in-significantly,
  • in significantly.

• Other synonyms:

  •a little
  • slightly.

Antonyms for Imperceptibly:

• adv.

  • all
    perceptibly.
  • Other antonyms:
    observably, noticeably.

Imperceptibly Sentence Examples:

• The Provincial raised his eyebrows almost imperceptibly and waited for his companion to continue.

• Stealthily, imperceptibly, I draw nearer to the desk, my eyes fastened on the keys.