Only a few words of the Yeerk language are known, but all stated will be here.


  • Andalite bandits - What the Yeerks call the Animorphs because they think they're Andalites who survived the battle in Earth's orbit.[1]
  • Beast Elfangor - The Yeerk name for Elfangor-Sirinial-Shamtul.
  • Dapsen - A swear word of some kind.[2]
  • Filshig - Another swear word.[3]
  • Gashad - A warrant issued by the Council of Thirteen to kill a criminal on sight.
  • Kandrona - The name of the Yeerk sun, and it's life-giving rays, as well as the device that generates the rays.[4]
  • Madra - A small, bright moon orbiting the Yeerk homeworld.
  • Veleek - Pet. A creature the Yeerks found on Saturn and Visser Three named Veleek.[5]


  1. The Visitor, page 96
  2. The Secret, page 97
  3. The Decision, page 154
  4. The Invasion, page 91
  5. The Andalite's Gift, page 104

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