[1] : The Collaborative International Dictionary of English v.0.48

incidental \in`ciden"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.
   1913 webster

         by some, religious duties . . . appear to be regarded .
         . . as an incidental business.           --rogers.

   syn: accidental; casual; fortuitous; contingent; chance;
        collateral. see accidental. -- in`ciden"tally,
        adv. -- in`ciden"talness, n.
        1913 webster

              i treat either or incidentally of colors. --boyle.
        1913 webster
see also:
accidental in`ciden"tally in`ciden"talness 

[2] : The Collaborative International Dictionary of English v.0.48

incidental \in`ciden"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.
   --pope.
   1913 webster

[3] : WordNet (r) 2.0

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 top
     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
see also:
incident basic accompanying attendant concomitant incidental top 
nonessential incidental expense minor expense 

[4] : Moby Thesaurus II by Grady Ward, 1.0

166 moby thesaurus words for "incidental":
   accessory, acciaccatura, accident, accidental, accompanying,
   addendum, addition, additional, adjunct, ado, adrift, adscititious,
   adventitious, afloat, afoot, aleatory, ancillary, appendage,
   appoggiatura, appurtenance, appurtenant, arabesque, article,
   ascititious, aspect, auxiliary, beside the mark, beside the point,
   beside the question, by-the-way, cadence, cadenza, case, casual,
   causeless, chance, chancy, circumstantial, collateral, coloratura,
   conditional, contingency, contingent, count, current, datum,
   destinal, detail, dicey, division, doing, element, embellishment,
   eventuating, extra, extraneous, extrinsic, facet, fact, factor,
   fatal, fatidic, fioritura, flight, flourish, fluky, fortuitous,
   going on, grace, grace note, haphazard, happening, happenstance,
   iffy, immaterial, impertinent, in hand, in the wind, inadmissible,
   inapplicable, inapposite, inappropriate, incidental note,
   inconsequent, inconsequential, indeterminate, inessential,
   insignificant, instance, irrelative, irrelevant, item, lesser,
   long mordent, matter, mere chance, minor, minor detail, minutia,
   minutiae, mordent, negligible, nihil ad rem, nonessential,
   not at issue, not-self, occasional, occurring, odd, off,
   off the subject, on, on foot, ongoing, ornament, other,
   out-of-the-way, paltry, parenthetical, part-time, particular,
   passage, passing, petty, point, pralltriller, prevailing,
   prevalent, provisional, random, regard, respect, resultant, risky,
   roulade, run, secondary, serendipitous, side, single mordent,
   spare, subordinate, subsidiary, superadded, superaddition,
   superfluous, supervenient, supplement, supplemental, supplementary,
   taking place, thing, trifling, trivial, turn, uncaused, under way,
   undetermined, unessential, unexpected, unforeseeable, unforeseen,
   unimportant, unlooked-for, unplanned, unpredictable

Incidental >> I Words
Incidental, definition of term: Incidental
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