1. Declare invalid
   "The contract was annulled"
   - invalidate, quash, void, avoid, nullify 
2. Cancel officially
   - revoke, lift, countermand, reverse, repeal, overturn, rescind, vacate

Derived forms: annuls, annulling, annulled

See also: annulment

Type of: cancel, strike down

Encyclopedia: Annul

• Corday
• corded
• Cordell Hull
• cordgrass
• Cordia
• Cordia alliodora
• Cordia gerascanthus
• cordial
• cordial reception
• cordiality
• cordially
• cordierite
• cordiform
• cordillera
• cordite
• corditis
• cordless
• cordoba
• cordon
• cordon bleu
• cordon off
• Cordova
• cordovan
• cords
• corduroy