Definition of accidential in English:

accidential

adjective

rare
  • 1Characterized by accidental or non-essential qualities.

  • 2Characterized or occurring by accident or chance.

Origin

Mid 16th century. From post-classical Latin accidentialis non-essential from accidentia + classical Latin -ālis.

Pronunciation:

accidential

/ˌaksɪˈdɛnʃl/