C1 adverb /ˌʌnkənˈvɛnʃənəli/
unconventionally
de manière non conventionnelle
Meaning
in a way that is not based on or conforming to accepted standards or norms
Example
She dresses unconventionally, mixing bold colors and patterns that surprise everyone.
Elle s'habille de manière non conventionnelle, mélangeant des couleurs et des motifs audacieux qui surprennent tout le monde.