1. Acted upon by an external agency.
  2. Receptive to outside impressions or influences.
  3. Lacking in energy or will.
  4. Tending not to take an active or dominant part.
  5. Induced by an outside agency.
  6. Not active or operating.
  7. Of, relating to, or characterized by a state of chemical inactivity.
  8. Receiving or enduring without resistance.
  9. Existing or occurring without being active, open, or direct.
  10. The passive voice of a language.

The emotion of Passive is found in the Gall Bladder meridian in the Wood element.

Definition from Dictionary by Merriam-Webster.