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1. Being minor or subordinate; happening as a chance consequence
   "the road will bring other incidental advantages"; "extra duties incidental to the job"; "labour problems incidental to a rapid expansion"; "confusion incidental to a quick change"; "incidental expenses";
   - incident, accidental
    
2. Not of prime or central importance
   "incidental to the integral meanings of poetry";
   - nonessential
    
3. Following or accompanying as a consequence
   "snags incidental to the changeover in management";
   - attendant, consequent, accompanying, concomitant, ensuant, resultant, sequent

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

Derived forms: incidentals

See also: inessential, omissible, parenthetic, parenthetical, peripheral, secondary, subsequent, unessential

Type of: expense, item, point

Antonym: basic

Encyclopedia: Incidental