Webster's Revised Unabridged Dictionary · 1913

Inopportune

Inopportune ({not transcribed}) , adjective

[Latin inopportunus: compare French inopportun. See In- not, and Opportune.]

Not opportune; inconvenient; unseasonable; as, an inopportune occurrence, remark, etc.
No visit could have been more inopportune. — T. Hook