1. minor items of expense or equipment; miscellaneous costs or things that are not essential but may be needed
Usage: usually plural

Examples

• The hotel rate includes breakfast but not incidentals like phone calls and room service.
• Pack the main supplies first, then worry about incidentals like batteries and snacks.
• Business travelers can be reimbursed for incidentals up to fifty dollars per day.
• The wedding budget covered the major costs, but we forgot about incidentals like tips and parking.
• Office incidentals such as paper clips and sticky notes are kept in the supply closet.
• The conference fee covers meals and materials, but incidentals are your responsibility.