Casual (?), a. [OE. casuel, F. casuel, fr. L. casualis, fr. casus fall, accident, fr. cadere to fall. See Case.] 1. Happening or coming to pass without design, and without being foreseen or expected; accidental; fortuitous; coming by chance.
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Casual breaks, in the general system. W. Irving.
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2. Coming without regularity; occasional; incidental; as, casual expenses.
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A constant habit, rather than a casual gesture. Hawthorne.

Syn. -- Accidental; fortutious; incidental; occasional; contingent; unforeseen. See Accidental.
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