CASUAL, CASUALLY
ADJECTIVES
► ACCIDENTARY casual, fortuitous → 1607 obs.
► ADVENTUROUS casual, fortuitous, accidental; occurring or coming by chance → c1374 obs.
► CAJ ► CAS casual, laid-back, conducive to a good time → 1990 Amer. sl.
► CAVALIER offhand, casual → 1981 colloq. (Bk.)
► CAZH ► KAZH casual, laid-back, conducive to a good time → 1981 Amer. students’ sl.
► HAPPENING casual, chance, occasional → 1895 Sc.
► LAID-BACK casual, relaxed or easygoing; unconcerned; unhurried → 1969 US colloq.
► OFF-SIDED casual, offhand → 1885 Sc.
► POPPIN’ casual, occasional, turning or popping up by chance → 1900 Sc.
► TEMERARIOUS casual, fortuitous, haphazard; acting or happening at random → 1660 obs.
ADVERBS
► ACCIDENTARILY casually, incidentally; by way of accident; casually → 1651 obs.
► ACCIDENTLY casually, accidentally, by chance → 1611 obs.
► ADVENTUROUSLY casually, by chance, accidentally → c1460 obs.
► BY HAP casually, by chance; perhaps → 1388 obs.
► CASUAL-WISE casually → 1601 obs.
► OFFLIKE casually, offhandedly → 1949 Amer. dial.
VERBS
► TOSS OFF to do something easily and casually → 1874 US sl.
Lexicophilia 