accidental
— Adjective
– English
～ happening by chance or unexpectedly or unintentionally; "with an inadvertent gesture she swept the vase off the table"; "accidental poisoning"; "an accidental shooting"
accidental
— Adjective
– English
～ not of prime or central importance; "nonessential to the integral meanings of poetry"- Pubs.MLA; "the character's motives remain accidental to the plot"
accidental
— Noun
– English
～ a musical notation that makes a note sharp or flat or natural although that is not part of the key signature
accidentally
— Adverb
– English
～ of a minor or subordinate nature; "these magnificent achievements were only incidentally influenced by Oriental models"
accidentally
— Adverb
– English
～ without advance planning; "they met accidentally"
accidentally
— Adverb
– English
～ without intention; in an unintentional manner; "she hit him unintentionally"