Dictionary.com

imperceptible

[ im-per-sep-tuh-buhl ]
/ ˌɪm pərˈsɛp tə bəl /
Save This Word!
See synonyms for: imperceptible / imperceptibly on Thesaurus.com
adjective
very slight, gradual, or subtle: the imperceptible slope of the road.
not perceptible; not perceived by or affecting the senses.
noun
something not capable of being perceived by the senses: metaphysical speculation about imperceptibles.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
His boss, whom he admires, is waiting to meet with him about the big project.
His boss, who he admires, is waiting to meet with him about the big project.
TAKE THE QUIZ TO FIND OUT

Origin of imperceptible

From the Medieval Latin word imperceptibilis, dating back to 1520–30. See im-2, perceptible

OTHER WORDS FROM imperceptible

im·per·cep·ti·bil·i·ty, im·per·cep·ti·ble·ness, nounim·per·cep·ti·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Words related to imperceptible

gradual, inaudible, indistinguishable, insignificant, invisible, microscopic, subtle, undetectable, ephemeral, evanescent, fine, impalpable, imponderable, inappreciable, inconsiderable, inconspicuous, indiscernible, indistinct, infinitesimal, insensible

How to use imperceptible in a sentence

  • This time the sacred figure, not cloaked with mysterious imperceptibility, was sharp on the plate.

    Autobiography of a YOGI|Paramhansa Yogananda

  • Ninety-nine hundredths of this amiable world of ours would have guffawed the poor creature into imperceptibility ages ago.

    The Return|Walter de la Mare

  • He stood up, making an excuse, imperceptibility lurching as he did so.

    The Perfume of Eros: A Fifth Avenue Incident|Edgar Saltus

  • But you,” he continued, moving imperceptibility a little nearer to her, “you are mine.

    Anna the Adventuress|E. Phillips Oppenheim

British Dictionary definitions for imperceptible

imperceptible
/ (ˌɪmpəˈsɛptɪbəl) /
adjective
too slight, subtle, gradual, etc, to be perceived

Derived forms of imperceptible

imperceptibility or imperceptibleness, nounimperceptibly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK