in ‧ de ‧ ter ‧ mi ‧ nate /ˌɪndɪˈtɜːmənət◂, ˌɪndɪˈtɜːmɪnət◂ $ -ɜːr-/ BrE AmE adjective
[ Word Family: adjective : ↑ determined , ↑ indeterminate , ↑ predetermined ; noun : ↑ determination , ↑ determiner ; verb : ↑ determine ; adverb : determinedly]
impossible to know about definitely or exactly:
a girl of indeterminate age
—indeterminately adverb
—indeterminacy noun [uncountable]