opportune Antonyms

inopportune improper inappropriate not good unseasonable unlucky unhappy unfortunate unfit unfavorable undue unbecoming poor mistime unseemly untime untimely out of place ill-suited imprecise counterproductive counter-productive dysfunctional ill-sorted unfitting unattractive irrelevant unsuitable wrong vile malapropos latish intempestive distressing distasteful dismaying disgusting disastrous disagreeable disadvantageous direful dire catastrophic bad awful dreadful gruesome infelicitous incorrect inconvenient