imperceivable
Escapes all notice
Imperceivable means impossible to perceive—too faint, subtle, or small to be detected by the senses or noticed by the mind.
The word is interchangeable with imperceptible, though imperceptible is far more common: The shift in her expression was imperceivable to anyone who didn't know her well.
Cannot be heard
- odorlessHaving no smell
- tastelessHaving no flavor
- colorlessDevoid of pigmentation
- scentlessWithout any aroma
soundless · silent · undetectable · infrared · ultrasonic · ultraviolet · subsonic · wavelength
Cannot be seen
- unseenNot perceived visually
- concealedMade invisible deliberately
- obscuredMade hard to perceive
- veiledConcealed or obscured
masked · shrouded · cloaked · camouflaged · undetected · unnoticed · undiscovered · covert
Weak and indistinct
- slightMinor or thin
- delicateEasily broken or harmed
- nuancedHaving fine distinctions
- traceMinute remnant or pursue
hint · whisper · infinitesimal · negligible · minute · microscopic · subliminal · understated
Condensed version of text
- incorporealNot made of matter
- immaterialLacking physical form; unimportant
- nonphysicalNot of matter
- insubstantialLacking physical or material substance
ethereal · metaphysical · spiritual · transcendent · formless · bodiless · impalpable · untouchable
inaudible
Cannot be heard
scentless · soundless · silent · undetectable · infrared · ultrasonic · ultraviolet · subsonic · wavelength · spectrum
invisible
Cannot be seen
veiled · masked · shrouded · cloaked · camouflaged · undetected · unnoticed · undiscovered · covert · secret
faint
Weak and indistinct
trace · hint · whisper · infinitesimal · negligible · minute · microscopic · subliminal · understated · muted
abstract
Condensed version of text
- incorporealNot made of matter
- immaterialLacking physical form; unimportant
- nonphysicalNot of matter
insubstantial · ethereal · metaphysical · spiritual · transcendent · formless · bodiless · impalpable · untouchable · weightless
imperceivableperceivable
Able to be sensed
perceptible · detectable · sensible · observable · discernible
perception, perceive, perceptive, deceived, perceptible, imperceptible, percipient, imperceptibly, perceptual