Webster's Revised Unabridged Dictionary · 1913

Tardy

Tardy , adjective

[French tardif, from (assumed) Late Latin tardivus, from Latin tardus slow.]

1.
Moving with a slow pace or motion; slow; not swift.
And check the tardy flight of time. — Sandys
Tardy to vengeance, and with mercy brave. — Prior
2.
Not being in season; late; dilatory; -- opposed to prompt; as, to be tardy in one's payments. — Arbuthnot
The tardy plants in our cold orchards placed. — Waller
3.
Unwary; unready. [Obsolete] — Hudibras
4.
Criminal; guilty. [Obsolete] — Collier

Tardy , transitive verb

To make tardy. [Obsolete] — Shakespeare