Synonyms of incidental

1. incidental expense, incidental, minor expense, expense: usage: (frequently plural) an expense not budgeted or not specified; "he requested reimbursement of $7 for incidental expenses"
2. incidental, item, point: usage: an item that is incidental

1. incidental (vs. basic), incident, omissible, parenthetic, parenthetical, peripheral, secondary: usage: (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"
2. incidental, nonessential, inessential (vs. essential), unessential: usage: not of prime or central importance; "nonessential to the integral meanings of poetry"- Pubs.MLA
3. attendant, consequent, accompanying, concomitant, incidental, ensuant, resultant, sequent, subsequent (vs. antecedent): usage: following or accompanying as a consequence; "an excessive growth of bureaucracy, with attendant problems"; "snags incidental to the changeover in management"; "attendant circumstances"; "the period of tension and consequent need for military preparedness"; "the ensuant response to his appeal"; "the resultant savings were considerable"