tardiness
词根词缀：
retard v. 延迟；妨碍
re 一再 + tard 慢 → 一慢再慢 → 延迟
retardant n. 延迟剂
retard 延迟；妨碍 + ant 表名词 → 延迟剂
retardant adj. 使延迟的
tardigrade adj. 行动缓慢的
tardi〔= tard〕慢 + grad 步 + e → 步履迟缓 → 行动缓慢的
tardiness n. 拖拉
tardi〔= tard〕慢 + ness 性质，状态 → 拖拉
tardive adj. （疾病）延迟发作的
tard 慢 + ive 有…性质的 → 发病速度慢 → 延迟发作的
tardy adj. 缓慢的
tard 慢 + y 多…的，有…的 → 缓慢的
数据来源：新东方英语词汇速记大全
相关例句：
Analysis of Windows Tardiness the Reason and Solve An Technique
Windows变慢原因的分析和解决方法
The woman supervisor was almost chewing him out because of his frequent tardiness.
由于他经常迟到，女老板把他臭骂一顿。
The objective is to determine the optimal due-date and schedule simultaneously to minimize the completion time, earliness and tardiness penalties.
目标函数是使完工时间，提前完工时间和误工时间的加权和最小。
And an apology, both for his tardiness and his temperament! He is offering his help, should you need any!
还有一份道歉，为了他行动的缓慢和暴躁的脾气！他正想提供些帮助，您需要他做些什么吗！
If you are assigned a tough job, could you really bear the risk brought by tardiness?
如果你面临的是一项很重要的任务，你真的能够承担得起拖拉所带来的风险吗？
No, tardiness is a minor offense, but if minor offenses accumulate, things became much more serious.
不算，迟到只能算轻微的违规，但是如果将轻微的违规累积起来，事态就会变得严重得多。