1. The act of questioning, opposing, or defying established norms, traditions, or accepted standards of behavior
Her art is all about challenging convention and pushing boundaries.
Sua arte é toda sobre desafiando a convenção e expandindo limites.
2. Taking action against what society typically considers normal or acceptable
By wearing unconventional clothing, he was challenging convention.
Ao usar roupas não-convencionais, ele estava desafiando a convenção.