| 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). |
| 4. | something incidental, as a circumstance. |
| 5. | incidentals, minor expenses. |
in·ci·den·tal (ĭn'sĭ-děn'tl) adj.
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