viva (noun)

1. During the viva in theology, the candidate was asked to defend their understanding of the Trinity.

2. In the anime convention, the characters can participate in a viva competition where they have to answer questions about their show.

3. In the horror movie, the final survivor faced a viva-like interrogation from the killer before escaping.

4. The viva for the design project involved presenting and explaining the concepts behind the architectural plans.