Boris smiled almost imperceptibly while listening to his mother.
The universal experience of ages, showing that children do grow imperceptibly from the cradle to manhood, did not exist for the countess.
It passes westwards imperceptibly into the Ardennes.
On either bank of the Brahmaputra a long narrow strip of plain rises almost imperceptibly to the foot of the hills.
Towards the end of this conversation the evangelist passes imperceptibly from reporting the words of the Lord into an interpretation or amplification of them, and in language which recalls the prologue he unfolds the meaning of Christ's mission and indicates the crisis of self-judgment which necessarily accompanies the manifestation of the Light to each individual.