phantom

a ghost or spirit, especially one that is believed to appear as the image of a person who has died

fantasma, espíritu

Collocations phantom ship

• The story tells of a phantom that haunts the castle.

  La historia cuenta de un fantasma que condena el castillo.

an imaginary or unreal thing, especially one that seems to exist but does not really do so

ilusión, aparición

Collocations phantom pain

• He was convinced that he had seen a phantom.

  Estaba convencido de que había visto una aparición.

(in military contexts) an imaginary or nonexistent enemy, especially one that is used as a target for training exercises

objetivo imaginario, enemigo ficticio

Collocations phantom target

• The soldiers trained on a phantom target.

  Los soldados entrenaron en un objetivo imaginario.