What is Non-accidental?
Non-accidental definition and meaning on Dictionary terms:
happening by chance or accident; not planned; unexpected: an accidental meeting.
nonessential; incidental; subsidiary: accidental benefits.
Music. relating to or indicating sharps, flats, or naturals.
a nonessential or subsidiary circumstance, characteristic, or feature.
Music. a sign placed before a note indicating a chromatic alteration of its pitch.