Casual /(?)/

Cas·u·al

Casual

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

Casual

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