irréfléchi înseamnă în Engleză

thoughtless▼◼◼◼(lacking thought)
adjective
[UK: ˈθɔːt.ləs] [US: ˈθɒt.ləs]He's not the kind of person to act without thinking. He's not a thoughtless person. = Il n'est pas le genre de personne à agir sans réfléchir. Ce n'est pas une personne irréfléchie.

feckless▼◼◻◻(lacking purpose)
adjective
[UK: ˈfe.klɪs] [US: ˈfe.kləs]

impetuous▼◼◻◻(describing one who makes arbitrary decisions)
adjective
[UK: ɪm.ˈpe.tʃʊəs] [US: ˌɪm.ˈpet.ʃwəs]

brash [brasher, brashest]▼adjective
[UK: bræʃ] [US: ˈbræʃ]