Definition of incidental:
unintended, minor expense, inconsiderable, coincidental, concomitant, stuff, inessential, nugatory, unplanned, accidental, random, second, unwitting, slight, unintentional, successive, inadvertent, incident, related to, unessential, trifling, impromptu, collateral, by, dead wood, lesser, involuntary, sequential, small-fry, trivia, peripheral, foolish, consequent, fiddling, trivial, insignificant, small, resultant, subsidiary, related, in descending order, side, little, detail, incidental expense, nonessential, secondary, ensuant, subordinate, serial, by accident, consecutive, minute, adjunct, non-issue, nothing, inessentials, incidental to, casual, irrelevance, surface, unpremeditated, study at accidental, ancillary, accompanying, supervenient, inconsequential, instinctive, adscititious, arbitrary, parenthetic, minutiae, fortuitous, as an incident of, adventitious, spontaneous, sequent, minor, chance, fluky, frivolous, parenthetical, attendant, Mickey Mouse, bye, negligible.
- "The Bondboy", George W. (George Washington) Ogden.
- "The Complete Essays of C. D. Warner", Charles Dudley Warner.
- "Italy, the Magic Land", Lilian Whiting.