Like some Ph.D. students' exams (4)
I believe the answer is:
oral
(Other definitions for oral that I've seen before include "'Spoken, not written (4)'" , "Viva voce" , "Spoken - examination" , "Spoken test" , "Concerning the mouth" .)
I believe the answer is:
oral
(Other definitions for oral that I've seen before include "'Spoken, not written (4)'" , "Viva voce" , "Spoken - examination" , "Spoken test" , "Concerning the mouth" .)