0 in a very slight way that a person is unable to notice or feel: --
The glacier is an imperceptibly slow-moving river of jagged ice.
Gradually, almost imperceptibly, her condition had worsened.
Almost imperceptibly, her questions turned into suggestions.
His right eye is almost imperceptibly larger than the left.
The ground moves imperceptibly even on days when there isn’t a significant earthquake.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
imperceptibly