- very slight, gradual, or subtle: the imperceptible slope of the road.
- not perceptible; not perceived by or affecting the senses.
- something not capable of being perceived by the senses: metaphysical speculation about imperceptibles.
Origin of imperceptible
SynonymsSee more synonyms for on Thesaurus.com
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for imperceptibly
The sun, I notice on this day when Daylight Saving has reverted to Standard Time, has imperceptibly set.Barack and the Boss
November 3, 2008
Steadily, imperceptibly, and surely, until it was paramount and supreme.Life And Adventures Of Martin Chuzzlewit
I had seen it, the slight puff of the earlobes—oh, so imperceptibly slight.The House of Pride
Imperceptibly, Helen straightened herself and took a breath.Moor Fires
E. H. (Emily Hilda) Young
Slowly, imperceptibly, the orientation of the planet has changed.The Life Radiant
He drifted away from Miriam imperceptibly, without knowing he was going.Sons and Lovers
David Herbert Lawrence
- too slight, subtle, gradual, etc, to be perceived
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
Word Origin and History for imperceptibly
Online Etymology Dictionary, © 2010 Douglas Harper