1. the quality or habit of not adhering to a correct or usual or expected time
The Collaborative International Dictionary of English v.0.48:
Tardiness \Tar"di*ness\, n.
The quality or state of being tardy.
WordNet (r) 3.0 (2006):
n 1: the quality or habit of not adhering to a correct or usual
or expected time [ant: promptness, punctuality]
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