Definition of "deep-seated" in English

adjective

1. Physically located at a deep level.

   • a deep-seated tumour
   • Weaknesses in the earth’s crust allow deep-seated heat to rise nearer to the surface.

2. (figurative) Firmly implanted or established in thought or behavior and difficult to change; deeply ingrained.

   • She has a deep-seated belief in the essential goodness of human nature.