Adjective
1. marked by blithe unconcern;
"an ability to interest casual students""showed a casual disregard for cold weather""an utterly insouciant financial policy""an elegantly insouciant manner""drove his car with nonchalant abandon""was polite in a teasing nonchalant manner"2. without or seeming to be without plan or method; offhand;
"a casual remark""information collected by casual methods and in their spare time"3. suited for everyday use;
"casual clothes""everyday clothes"4. occurring or appearing or singled out by chance;
"their accidental meeting led to a renewal of their friendship""seek help from casual passers-by""a casual meeting""a chance occurrence"5. hasty and without attention to detail; not thorough;
"a casual (or cursory) inspection failed to reveal the house's structural flaws""a passing glance""perfunctory courtesy"6. employed in a specified capacity from time to time;
"casual employment""a casual correspondence with a former teacher""an occasional worker"7. characterized by a feeling of irresponsibility;
"a broken back is nothing to be casual about; it is no fooling matter"8. natural and unstudied;
"using their Christian names in a casual way""lectured in a free-and-easy style"9. not showing effort or strain;
"a difficult feat performed with casual mastery""careless grace"