in·opportune \(|)in, ən+\adjective Etymology: Latin inopportunus, from in- in- (I) + opportunus opportune — more at opportune : not opportune : unseasonable, inconvenient < arrive at the most inopportune hours — D.R.Murphy > • in·op·por·tune·ly\-ünlē\adverb • in·op·por·tune·ness\-ünnə̇s\noun