Meaning of “run-of-the-mill” - Learner’s Dictionary

run-of-the-mill

adjective uk us /ˌrʌnəvðəˈmɪl/

ordinary and not special or exciting in any way:

He gave a fairly run-of-the-mill speech.

(Definition of “run-of-the-mill” from the Cambridge Learner’s Dictionary © Cambridge University Press)