The definition of ingrained is a firmly and deeply belief or idea, or something worked into the fiber. When you are raised as a strict Catholic and you continue to embrace and diligently support those beliefs as you get older, this is an example of an ingrained lesson.

What does it mean if something is ingrained?

1 : forming a part of the essence or inmost being : deep-seated ingrained prejudice. 2 : worked into the grain or fiber.

Is it ingrained or ingrained?

Ingrain is a verb that means to impress something deeply or permanently. Engrain is an alternative spelling, but it is not as common and not as widely recognized.