the mark ( ? ) used in writing after a questionOxford Collocations Dictionaryadjectivebig,huge,major,…verb + question markputquestion mark + verbhang over something,remainprepositionquestion mark against,question mark overSeefull entrySee related entries:Punctuation
Extra examplesA slight question mark against her character remains.His arrival clearly puts a huge question mark against the future of the present team captain.There is now a serious question mark over his leadership ability.Idioms