Dictionary.net

• not special in any way; "run-of-the-mill boxing"; "your run-of-the-mine college graduate"; "a unexceptional an incident as can be found in a lawyer's career"

2006 - WordNet 3.0
By Princeton University

• not special in any way; "run-of-the-mill boxing"; "your run-of-the-mine college graduate"; "a unexceptional an incident as can be found in a lawyer's career"

2011 - English Dictionary Database
By DataStellar Co., Ltd