1. Against or opposed to conventional norms, customs, or established practices
Her anticonventional approach to art challenged traditional aesthetics.
Sua abordagem anticonvencional da arte desafiou a estética tradicional.
2. Not conforming to accepted standards or expectations; unorthodox
He had anticonventional ideas about education and learning methods.
Ele tinha ideias anticonvencionais sobre educação e métodos de aprendizagem.