viva-voce (adjective)

1. During World War II, news of the Allied victory in Europe spread viva-voce among the soldiers stationed abroad.

2. In a romantic gesture, he viva-voce declared his undying love for her in front of their friends and family.

3. The poet's viva-voce reading of his latest collection captivated the audience with its lyrical and emotive verses.

4. In the futuristic cityscape described by the science fiction author, information was transmitted viva-voce through advanced neural implants.