res·tive 
(rĕstĭv)
(rĕstĭv)adj.
1.
a. Uneasily impatient or hard to control under restriction, opposition, criticism, or delay: Passengers on board the delayed airliner began to grow restive.
b. Characterized by impatience or an absence of calm; unsettled: had a restive feeling that something wasn't quite right.
2. Refusing to move. Used of a horse or other animal.
[Middle English restif, stationary, from Old French, from rester, to remain, from Latin restāre, to keep back : re-, re- + stāre, to stand; see stā- in the Appendix of Indo-European roots.]
restive·ly adv.
restive·ness n.