Im*pas"sive (?), a.
Not susceptible of pain or suffering; apathetic; impassible; unmoved.
Impassive as the marble in the quarry.
De Quincey.
On the impassive ice the lightings play.
Pope.
-- Im*pas"sive*ly, adv. -- Im*pas"sive*ness, n.
© Webster 1913.