Incidental

Adjective

 * 1) Loosely associated; existing as a byproduct, tangent, or accident.
 * That character, though colorful, is incidental to the overall plot.
 * 1) Entering or approaching, prior to reflection (more frequently incident).

Related terms

 * incident
 * incidence

Derived terms

 * incidental expense
 * incidentally

Noun

 * 1) Incidental expense.
 * She's costing us a lot in incidentals.

Thesaurus
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

Anagrams

 * anticlined