Webster's Revised Unabridged Dictionary · 1913

Overly

Overly , adjective

1.
Careless; negligent; inattentive; superficial; not thorough. [Archaic] — Bp. Hall
2.
Excessive; too much. [Rare] — Coleridge

overly , adverb

1.
In an overly manner. [Archaic]
2.
Excessively.