Happening by chance. / Coming without regularity; occasional or incidental. / Employed irregularly. / Careless. / Happening or coming to pass without design. / Informal, relaxed.

(Britain, Australia, New Zealand) A worker who is only working for a company occasionally, not as its permanent employee.

plural of casualism

(uncountable) The doctrine that all things exist, or are controlled, by chance. / (countable) A casual or informal word or phrase.

plural of casualness

The state of being casual. / A relaxed and nonchalant attitude.

In a casual manner.

Alternative form of casualisation

plural of casual

To become, or cause to become, casual; to become regarded casually / (economics, chiefly Britain) To convert from regular to casual labor