Casual

Part of speech: noun (n.)

One who receives relief for a night in a parish to which he does not belong; a vagrant.

Part of speech: adjective (a.)

1. Happening or coming to pass without design, and without being foreseen or expected; accidental; fortuitous; coming by chance. Casual breaks, in the general system. W. Irving.

2. Coming without regularity; occasional; incidental; as, casual expenses. A constant habit, rather than a casual gesture. Hawthorne.

Synonyms: Accidental; fortutious; incidental; occasional; contingent; unforeseen. See Accidental.