inopportune (adj.)

"inconvenient, unseasonable, unsuitable, inappropriate, unfit," 1530s, from Late Latin inopportunus "unfitting," from in- "not" (from PIE root *ne- "not") + opportunus "favorable, convenient" (see opportune). Rare or obsolete in 18c. Related: Inopportunely; inopportuneness; inopportunity.