"verbal answer" is correct and usable in written English.
You can use it whenever you need to refer to an answer that is spoken, rather than written. For example, "I asked for a written response, but instead my boss provided a verbal answer."
Don't accept a verbal answer.
But, in the absence of explicit criteria for the distinction, this was simply a verbal answer to the problem.
Other times, it's a gesture -- perhaps out of kindness, perhaps out of spite -- that reveals more about the interview subject than any verbal answer could ever provide.
Though Bangs' interview subjects may focus on love and relationships in their art, articulating a verbal answer to such a big question is as complicated as, say, defining our identities.
He can follow the request by passing the requested card, which can be accompanied by a verbal answer ("here it is", "please").
Students were asked to read each item, use the rating scale, provide a verbal answer, explain how they understood the scale, and state whether the item was clear to them.
The verbal answers he gave in class revealed a sophisticated conceptual ability.
Warburton is also a coach who constantly seeks verbal answers from players around training; if the answers are not at all to the manager's liking, it seems partly unfair to cry foul.
The hope for Boston's new project is to provide a system that would allow doctors to ask questions to a Watson-like device about issues such as vaccine scheduling, medication dosing, patient history or new medical technologies, and receive immediate verbal answers.
It is often more revealing than verbal answers.
The instructor then solicited verbal answers from a wide range of students.
