Definitions for "Unintentional"
not done or made or performed with purpose or intent
without deliberate intent; "my heart with unwilled love grew warm"- George Macdonald
not intentional; "an unintended slight"; "an unintentional pun"; "the offense was unintentional"; "an unwitting mistake may be overlooked"
Term used for an injury that is unplanned; in many settings these are terms accidental injuries.