When it comes to describing an object or item that has worn out over time, there are numerous synonyms for the phrase "due to fair wear and tear." Some alternative phrases include "as a result of natural aging," "due to normal use," "worn from regular wear," "because of wear and aging," "due to gradual deterioration," and "due to foot traffic or usage." It's important to note that using different synonyms can add variety and interest to your writing. However, it's crucial to choose synonyms that accurately convey the same meaning, so the reader understands precisely what you mean.