incidental

As an adverb merely

is (obsolete) wholly, entirely.

As an adjective incidental is

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

As a noun incidental is

incidental expense.

As adjectives the difference between incidental and attached

is that incidental is loosely associated; existing as a byproduct, tangent, or accident while attached is in a romantic or sexual relationship.

As a noun incidental

is incidental expense.

As a verb attached is

(attach).

As adjectives the difference between incidental and idiosyncratic

is that incidental is loosely associated; existing as a byproduct, tangent, or accident while idiosyncratic is peculiar to a specific individual; eccentric.

As a noun incidental

is incidental expense.

As nouns the difference between incidental and fonts

is that incidental is incidental expense while fonts is .

As an adjective incidental

is loosely associated; existing as a byproduct, tangent, or accident.

As adjectives the difference between incidental and undefined

is that incidental is loosely associated; existing as a byproduct, tangent, or accident while undefined is lacking a definition or value.

As a noun incidental

is incidental expense.

As adjectives the difference between incidental and marginal

is that incidental is loosely associated; existing as a byproduct, tangent, or accident while marginal is of, relating to, or located at or near a margin or edge; also figurative usages of location and margin (edge).

As nouns the difference between incidental and marginal

is that incidental is incidental expense while marginal is something that is marginal.

As an adjective incidental

is loosely associated; existing as a byproduct, tangent, or accident.

As a noun incidental

is incidental expense.

As a proper noun minor is

.

As adjectives the difference between incidental and tangential

is that incidental is loosely associated; existing as a byproduct, tangent, or accident while tangential is referring to a tangent, moving at a tangent to something.

As a noun incidental

is incidental expense.

As a verb inferred

is (infer).

As an adjective incidental is

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

As a noun incidental is

incidental expense.

Incidental is a related term of secondary.

As adjectives the difference between incidental and secondary

is that incidental is loosely associated; existing as a byproduct, tangent, or accident while secondary is succeeding next in order to the first; of second place, origin, rank, rank, etc; not primary; subordinate; not of the first order or rate.

As nouns the difference between incidental and secondary

is that incidental is incidental expense while secondary is .