资料来源 : pyDict

慢,缓慢,迟延

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Tardiness \Tar"di*ness\, n.
   The quality or state of being tardy.

资料来源 : WordNet®

tardiness
     n : the quality or habit of not adhering to a correct or usual
         or expected time [ant: {punctuality}]