1. hasty and without attention to detail; not thorough

    Synonyms : cursory, passing, perfunctory, superficial
    Examples :
    • a casual (or cursory) inspection failed to reveal the house's structural flaws
  2. characterized by a feeling of irresponsibility

    Synonyms : fooling
    Examples :
    • a broken back is nothing to be casual about; it is no fooling matter
  3. occurring on a temporary or irregular basis

    Synonyms : occasional
    Examples :
    • casual employment
    • a casual correspondence with a former teacher
  4. occurring or appearing or singled out by chance

    Synonyms : chance
    Examples :
    • seek help from casual passers-by
    • a casual meeting
  5. marked by blithe unconcern

    Synonyms : insouciant, nonchalant
    Examples :
    • an ability to interest casual students
    • showed a casual disregard for cold weather
  6. natural and unstudied

    Synonyms : free-and-easy
    Examples :
    • using their Christian names in a casual way
  7. not showing effort or strain

    Synonyms : effortless
    Examples :
    • a difficult feat performed with casual mastery
  8. appropriate for ordinary or routine occasions

    Synonyms : daily, everyday
    Examples :
    • casual clothes
  9. without or seeming to be without plan or method; offhand

    Examples :
    • a casual remark
    • information collected by casual methods and in their spare time