1. A way of behaving, acting, or doing something that does not follow traditional, accepted, or standard norms
She approached the problem in an unconventional manner, thinking outside the box.
Ela abordou o problema de uma forma não convencional, pensando fora da caixa.
2. Behavior or conduct that deviates from what is customary or expected in society
His unconventional manner of dress caught everyone's attention.
Sua forma não convencional de se vestir chamou atenção de todos.