ultracrepidarianism (noun)

1. The painter's ultracrepidarianism led him to critique a sculpture without knowledge of sculpting techniques.

2. In the cartoon, the character displayed ultracrepidarianism by giving medical advice without any medical training.

3. The protagonist of the fantasy novel exhibited ultracrepidarianism when attempting to cast a spell, despite having no background in magic.

4. The film critic's ultracrepidarianism was evident when she analyzed the directing techniques, despite never having directed a film herself.