Occurring at an advanced hour, especially well into the evening or night:
Slow; idle; sluggish
Prompt in apprehending or reacting:
Occurring, developing, or appearing before the expected or usual time:
Prompt is defined as something that is done on time or right away or someone who does things on time or immediately.
Disposed to dissipation; wild:
Find another word for tardiest. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for tardiest, like: latest, slowest, slackest, pokiest, readiest, earliest, promptest and fastest.