run-of-the-mine

[ ruhn-uh v-thuh-mahyn ]
/ ˈrʌn əv ðəˈmaɪn /

adjective

of or relating to ore or coal that is crude, ungraded, etc.
common or ordinary; run-of-the-mill: a boring, run-of-the-mine performance.
Also run-of-mine [ruhn-uh v-mahyn] /ˈrʌn əvˈmaɪn/.

Origin of run-of-the-mine

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019