Both Uses of

passive
in
The Scarlet Letter

Children have always a sympathy in the agitations of those connected with them: always, especially, a sense of any trouble or impending revolution, of whatever kind, in domestic circumstances; and therefore Pearl, who was the gem on her mother's unquiet bosom, betrayed, by the very dance of her spirits, the emotions which none could detect in the marble passiveness of Hester's brow.†
p. 213.3

passiveness = acceptance of what happens without trying to take control or reacting strongly

There was a listlessness in his gait, as if he saw no reason for taking one step further, nor felt any desire to do so, but would have been glad, could he be glad of anything, to fling himself down at the root of the nearest tree, and lie there passive for evermore.†
p. 175.2 *

Definitions:

(1) (passive)
accepting what happens without trying to take control or reacting strongly
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

More specialized and less common senses of the word are found in grammar, chemistry, physics, electronics, and communications. Consult a comprehensive dictionary if you wish to see those. All senses have to do with inactivity.