(US) A piece of paper given to students who are late to class.

(US) An instance of a student's being marked as tardy by a teacher on the teacher's attendance sheet.

(obsolete, transitive) To make tardy.

Late; overdue or delayed.

Moving with a slow pace or motion; not swift.

Ineffectual; slow-witted, slow to act, or dull.

(obsolete) Unwary; unready (especially in the phrase take (someone) tardy).

(obsolete) Criminal; guilty.