adj. tar·di·er, tar·di·est
1. Occurring, arriving, acting, or done after the scheduled, expected, or usual time; late.
2. Moving or progressing slowly; sluggish: walking at a tardy pace.
[Alteration of Middle English tardive, slow, from Old French tardif, from Vulgar Latin *tardīvus, from Latin tardus.]
Synonyms: tardy, late, overdue
These adjectives mean not arriving, occurring, acting, or done at the scheduled, expected, or usual time: tardy in making a dental appointment; late for the plane; an overdue bus.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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