in·ci·den·tal /ˌɪn(t)səˈdɛntḷ/
 (a.)附帶的,偶然的,容易發生的附帶事件


 incidental
 額外時間


 incidental
 *額外


 In·ci·den·tal, n. An incident; that which is incidental; esp., in the plural, an aggregate of subordinate or incidental items not particularized; as, the expense of tuition and incidentals.

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 In·ci·den·tal a. Happening, as an occasional event, without regularity; coming without design; casual; accidental; hence, not of prime concern; subordinate; collateral; as, an incidental conversation; an incidental occurrence; incidental expenses.
    By some, religious duties . . . appear to be regarded . . . as an incidental business.   --Rogers.
 Syn: -- Accidental; casual; fortuitous; contingent; chance; collateral. See Accidental.
 -- In*ci*den*tal*ly, adv. -- In*ci*den*tal*ness, n.
    I treat either or incidentally of colors.   --Boyle.


 incidental
      adj 1: (sometimes followed by `to') minor or casual or subordinate
             in significance or nature or occurring as a chance
             concomitant or consequence; "incidental expenses";
             "the road will bring other incidental advantages";
             "extra duties incidental to the job"; "labor problems
             incidental to a rapid expansion"; "confusion
             incidental to a quick change" [syn: incident] [ant:
             basic]
      2: following as a consequence; "an excessive growth of
         bureaucracy, with related problems"; "snags incidental to
         the changeover in management" [syn: accompanying, attendant,
          concomitant, incidental to(p)]
      3: not of prime or central importance; "nonessential to the
         integral meanings of poetry"- Pubs.MLA [syn: nonessential]
      n 1: (frequently plural) an expense not budgeted or not
           specified; "he requested reimbursement of $7 for
           incidental expenses" [syn: incidental expense, {minor
           expense]
      2: an item that is incidental