incidental

Occurring or likely to occur as an unpredictable or minor consequence: synonym: accidental.

Of a minor, casual, or subordinate nature.

A minor accompanying item or expense.

Occurring, inseparably or fortuitously, in conjunction with something else, usually of greater importance; of minor importance; occasional; casual: as incidental expenses.

Synonyms Chance, Casual, etc. See accidental.

Something subordinate or casual: often used in the plural to mean minor expenses.

An incident; that which is incidental; esp., in the plural, an aggregate of subordinate or incidental items not particularized.

Happening, as an occasional event, without regularity; coming without design; casual; accidental; hence, not of prime concern; subordinate; collateral

Loosely associated; existing as a byproduct, tangent, or accident.

Entering or approaching, prior to reflection (more frequently incident).