casual[Anglais]

adjectif satellite
1 : without or seeming to be without plan or method; offhand; "a casual remark"; "information collected by casual methods and in their spare time"
2 : characterized by a feeling of irresponsibility; "a broken back is nothing to be casual about; it is no fooling matter"
3 : natural and unstudied; "using their Christian names in a casual way"; "lectured in a free-and-easy style"