1) Annul 2) Motstdt 3) Negate 4) Nix 5) Override 6) Overrule 7) Repeal 8) Rescind 1) Bidding 2) Cancel officially 3) Command 4) Dictation 5) French word used in English 6) To oppose 7) To prohibit 8) To revoke 9) To revoke the command of 
to revoke an order by a contrary order
• (v. t.) To revoke (a former command); to cancel or rescind by giving an order contrary to one previously given; as, to countermand an order for goods. • (n.) A contrary order; revocation of a former order or command. • (v. t.) To prohibit; to forbid. • (v. t.) To oppose; to revoke the command of.Countermand: words in the defin...
Coun'ter·mand (koun'tẽr*mȧnd) noun A contrary order; revocation of a former order or command. « Have you no countermand for Claudio yet, But he must die to-morrow? Shak. » Coun`ter·mand' (koun`tẽr*mȧnd') transitive verb [ imperfect & past participle Countermanded ; present participle & verbal noun Countermanding .] [ French contremander ; contre (L. contra ) + mander...
countermand 1. A contrary command to cancel or reverse (a previously issued command or order). 2. Cancellation of an order or command. 3. To annul by recalling or rescinding.
noun a contrary command cancelling or reversing a previous command
to revoke or cancel (a command, order, etc.). · to recall or stop by a contrary order.
cancel officially[Literary terms] a contrary command reversing a previous command[Intelligent words] cancel officially