- The definition of incidental is an unintended consequence of something, or a related but unimportant part.
- Destruction of the forests is an example of an incidental or unintended consequence of population growth.
- Paperwork is an example of an incidental part of the job of an airline pilot.
- happening as a result of or in connection with something more important; casual: incidental benefits
- likely to happen as a result or concomitant: with to: troubles incidental to divorce
- secondary or minor, but usually associated: incidental expenses
Origin of incidentalMedieval Latin incidentalis
- something incidental
- miscellaneous or minor items or expenses
- Occurring or likely to occur as an unpredictable or minor consequence: “the principle that even annoying, intrusive, and offensive speech is to be protected by the courts and tolerated by the public as incidental to an open society” (Frederick Schauer). See Synonyms at accidental.
- Of a minor, casual, or subordinate nature: incidental expenses.
A minor accompanying item or expense: a pocket in the suitcase for incidentals.
(comparative more incidental, superlative most incidental)
- Incidental expense.
- She's costing us a lot in incidentals.
From incident + -al.