happening at a bad time synonym inappropriate, inconvenient opposite opportune不合时宜的;不是时候的 Oxford Collocations DictionaryInopportune is used with these nouns:- moment
Word Originearly 16th cent.: from Latin inopportunus, from in- ‘not’ + opportunus, from ob- ‘in the direction of’ + portus ‘harbour’, originally describing the wind driving towards the harbour, hence ‘seasonable’.