Meaning : A musical notation that makes a note sharp or flat or natural although that is not part of the key signature.
Meaning : Happening by chance or unexpectedly or unintentionally.
							Example : 
							With an inadvertent gesture she swept the vase off the table.
							Accidental poisoning.
							An accidental shooting.
							
Synonyms : inadvertent
Meaning : Not of prime or central importance.
							Example : 
							Nonessential to the integral meanings of poetry.
							The character's motives remain accidental to the plot.
							
Synonyms : incidental, nonessential
Accidental meaning in Telugu.