tardiness

from WordNet (r) 3.0 (2006)

tardiness
    n 1: the quality or habit of not adhering to a correct or usual
         or expected time [ant: {promptness}, {punctuality}]

from The Collaborative International Dictionary of English v.0.48

Tardiness \Tar"di*ness\, n.
   The quality or state of being tardy.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

24 Moby Thesaurus words for "tardiness":
      anachronism, antedating, anticipation, belatedness, earliness,
      eleventh hour, high time, historical error, last minute, late hour,
      lateness, metachronism, misdate, misdating, mistiming,
      parachronism, postdating, prochronism, prolepsis, small hours,
      unpreparedness, unpunctuality, unreadiness, untimeliness