Pronunciation: (in"si-den'tl),[key] —adj. 1. happening or likely to happen in an unplanned or subordinate conjunction with something else.
2. incurred casually and in addition to the regular or main amount: incidental expenses. 3. likely to happen or naturally appertaining (usually fol. by to).
—n. 1. something incidental, as a circumstance.
2. incidentals,minor expenses.