1. adjective [usually ADJECTIVE noun]
A well-trodden path is used regularly by a large number of people, and therefore looks worn and is easy to see.
⇒ He made his way along a well-trodden path towards the shed.
2. adjective [usually ADJECTIVE noun]
You can use well-trodden, especially in expressions such as a well-trodden path and well-trodden ground, to indicate that a plan or course of action has been tried by a lot of people and so the result of it is easy to predict.
⇒ Political power has long been a well-trodden path to personal wealth.
⇒ These working parties will be going over well-trodden ground.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers