up (adv.) 1
up in arms, in rebellion, in revolt
1H4 III.ii.120 [King Henry to Prince Hal] Percy, Northumberland ... / Capitulate against us and are up
2H4 I.i.189 [Morton to Northumberland] The gentle Archbishop of York is up / With well-appointed powers
2H6 III.i.283 [Post to all] from Ireland am I come amain, / To signify that rebels there are up
2H6 IV.ii.167 [Stafford to Herald] Proclaim them traitors that are up with Cade
2H6 IV.ii.2 [Bevis to Holland, of the rebels] they have been up these two days