Webster's Revised Unabridged Dictionary · 1913

Erroneous

Erroneous , adjective

[Latin erroneus, from errare to err. See Err.]

1.
Wandering; straying; deviating from the right course; -- hence, irregular; unnatural. [Obsolete]
Erroneous circulation. — Arbuthnot
Stopped much of the erroneous light, which otherwise would have disturbed the vision. — Sir I. Newman
2.
Misleading; misled; mistaking. [Obsolete]
An erroneous conscience commands us to do what we ought to omit. — Jer. Taylor
3.
Containing error; not conformed to truth or justice; incorrect; false; mistaken; as, an erroneous doctrine; erroneous opinion, observation, deduction, view, etc.