Толковый словарь английского языка - casual

I. adjective see: case Date: 14th century subject to, resulting from, or occurring by chance , 2. occurring without regularity ; occasional , employed for irregular periods , met with on occasion and known only superficially , 3. a. feeling or showing little concern ; nonchalant , lacking a high degree of interest or devotion , done without serious intent or commitment , b. informal, natural , designed for informal use , see: accidental ~ly adverb ~ness noun II. noun Date: circa 1852 a ~ or migratory worker, an officer or enlisted person awaiting assignment or transportation to a unit