oral

oral - noun

an examination conducted by spoken communication

oral - adjective

using speech rather than writing
of or relating to or affecting or for use in the mouth
of or involving the mouth or mouth region or the surface on which the mouth is located

oral - thesaurus

Scrabble score = 4

"I love your course..... you explain so much that I didn't know, forgot, or wasn't taught."

Adult student, USA