C2adverbformalsciencenature
US/ˌɪm.pərˈsep.tə.bli/
UK/ˌɪm.pəˈsep.tə.bli/
in a way that is so small or slow that it is very hard to notice
In context
The continents move imperceptibly, only a few centimeters each year.
Day by day, the light changed almost imperceptibly as winter came.
The ground had been sinking imperceptibly for years before the cracks appeared.
Words that go with imperceptibly
verb + adverb
- change imperceptiblyCoastlines change imperceptibly over a human lifetime.
- move imperceptiblyThe hands of the old clock seemed to move imperceptibly.
- shift imperceptiblyPublic opinion on nuclear power shifted imperceptibly over the decade.
- nod imperceptiblyHe nodded almost imperceptibly to show he agreed.
- fade imperceptiblyThe colors of the sunset faded imperceptibly into night.