| hasty and without attention to detail; not thorough | not formal |
| not showing effort or strain | used of spoken and written language |
| occurring on a temporary or irregular basis | having or fostering a warm or friendly and informal atmosphere |
| marked by blithe unconcern | not officially recognized or controlled |
| appropriate for ordinary or routine occasions | |
| occurring or appearing or singled out by chance | |
| natural and unstudied | |
| characterized by a feeling of irresponsibility | |
| without or seeming to be without plan or method; offhand | |