disaster B1

/dɪˈzas.təː/ A sudden event, such as a flood or earthquake, that causes great damage or loss of life.

disastrous B1

/dɪˈzæs.tɹəs/ Causing great harm, damage, or a very bad result.

astral C2

/ˈæstɹəl/ being or relating to or resembling or emanating from stars

disastrously C2+

/dɪˈzæstrəsli/ in a way that causes great damage, ruin, or failure