C2adjectiveformalacademic
US/ˌɪm.pərˈsep.tə.bəl/
UK/ˌɪm.pəˈsep.tə.bəl/
so small or slight that it is almost impossible to notice
In context
The change in sea level is almost imperceptible from one year to the next.
Language changes at an imperceptible pace, but over a century the difference is huge.
She gave a nearly imperceptible nod to show she agreed.
Words that go with imperceptible
adverb + adjective
- almost imperceptibleThe improvement in air quality was almost imperceptible.
- nearly imperceptibleThere was a nearly imperceptible pause before he answered.
adjective + noun
- imperceptible changeSmall, imperceptible changes add up over many years.
- imperceptible movementThe cat made an imperceptible movement towards the bird.
adjective + preposition
- imperceptible toThe sound is imperceptible to the human ear.