in·de·ter·mi·nate 
/ˌɪndɪˈtɚmənət/ adjective
/ˌɪndɪˈtɚmənət/ adjective formal : not able to be stated or described in an exact way
▪ a man of indeterminate [=uncertain] age ▪ an indeterminate number of people ▪ an indeterminate color
▪ a man of indeterminate [=uncertain] age ▪ an indeterminate number of people ▪ an indeterminate color
— in·de·ter·mi·na·cy /ˌɪndɪˈtɚmənəsi/ noun [noncount]
/ˌɪndɪˈtɚmənəsi/ noun [noncount]— in·de·ter·mi·nate·ly adverb
▪ an indeterminately large number
▪ an indeterminately large number
