An example of someone who is tardy is a student who arrives 20 minutes after the bell has rung.
Walking at a tardy pace.
The teacher gave her a tardy because she did not come into the classroom until after the bell.
Origin of tardy
- Alteration of Middle English tardive slow from Old French tardif from Vulgar Latin tardīvus from Latin tardus
From American Heritage Dictionary of the English Language, 5th Edition