Source : Webster's Revised Unabridged Dictionary (1913)

Second-rate \Sec"ond-rate`\, a.
   Of the second size, rank, quality, or value; as, a
   second-rate ship; second-rate cloth; a second-rate champion.
   --Dryden.

Source : WordNet®

second-rate
     adj : moderate to inferior in quality; "they improved the quality
           from mediocre to above average"; "he would make a poor
           spy" [syn: {mediocre}, {poor}]