Main Entry: pas·sive

Pronunciation: \ˈpas-iv\

Function: adjective

1 a (1) : lethargic or lacking in energy or will (2) : tending not to take an active or dominant part <a passive spouse> b : induced by an outside agency <passive exercise of a paralyzed leg>
2 a : of, relating to, or characterized by a state of chemical inactivity b : not involving expenditure of chemical energy <passive transport across a plasma membrane>

—pas·sive·ly adverb

—pas·sive·ness noun