Definition of accessoriness in English:

accessoriness

noun

  • 1The fact or condition of acceding to or aiding in a crime or misdeed; secondary involvement. Compare accessariness. Frequently with to, †unto.

  • 2The quality or condition of being supplementary or subordinate; secondariness.

Origin

Mid 17th century; earliest use found in Vines's Treatise Lords-supper. From accessory + -ness.

Pronunciation:

accessoriness

/əkˈsɛs(ə)rɪnɪs//akˈsɛs(ə)rɪnɪs/