Describes something that is not caused by a specific event.
El ataque de los críticos fue desocasionado, dado que el proyecto se había esforzado por ser inclusivo.
The critics' attack was unwarranted, given that the project had strived to be inclusive.
Su reacción fue desocasionada, ya que no había motivos para que se molestara de esa manera.
His reaction was unwarranted, as there were no reasons for him to be upset in that way.