Synonyms of the word

tardy

• adj. Late; overdue or delayed.
• adj. Ineffectual; slow-witted, slow to act, or dullard.
• adj. Moving with a slow pace or motion; not swift.
• adj. (obsolete) Unwary; unready.
• adj. (obsolete) Criminal; guilty.
• n. (US) A piece of paper given to students who are late to class.
• n. (US) An instance of a student being marked as tardy by a teacher in his or her attendance sheet.
• v. (obsolete, transitive) To make tardy.

belated

• v. simple past tense and past participle of belate.
• adj. Later in relation to the proper time something should have happened.

late

• adj. Near the end of a period of time.
• adj. Specifically, near the end of the day.
• adj. (usually not used comparatively) Associated with the end of a period.
• adj. Not arriving until after an expected time.
• adj. Not having had an expected menstrual period.
• adj. (not comparable, euphemistic) Deceased, dead: used particularly when speaking of the dead person's actions…
• adj. Existing or holding some position not long ago, but not now; departed, or gone out of office.
• adj. Recent — relative to the noun it modifies.
• n. (informal) A shift (scheduled work period) that takes place late in the day or at night.
• adv. After a deadline has passed, past a designated time.
• adv. formerly, especially in the context of service in a military unit.

unpunctual

• adj. Not punctual.