Pierce, penetrate suggest the action of one object passing through another or making a way through and into another. Crossing and moving through (definition of pierce from the cambridge advanced learner's dictionary & thesaurus © cambridge university press) To penetrate into or run through (something), as a sharp, pointed dagger, object, or instrument does.
Pierced , pierc·ing , pierc·es v. See examples of pierce used in a sentence. Some common synonyms of pierce are enter, penetrate, and probe.
The meaning of pierce is to run into or through as a pointed weapon does : One bullet pierced the left side of his chest. Crossing and moving through (definition of pierce from the cambridge advanced learner's dictionary & thesaurus © cambridge university press) If a sharp object pierces something, or if you pierce something with a sharp object, the object goes into it and makes a hole in it.
While all these words mean to make way into something, pierce means an entering or cutting through with a sharp. The terms are used both. To cut or pass through with or as if. How to use pierce in a sentence.