Afflictive is a related term of disastrous.
As adjectives the difference between afflictive and disastrous
is that afflictive is that causes physical or mental pain while disastrous is of the nature of a disaster; calamitous.
disastrous
English
Adjective
(
en adjective)
of the nature of a disaster; calamitous.
foreboding disaster; ill-omened.
Synonyms
* (calamitous) cataclysmic, catastrophic
* (ill-omened) ill-boding, , sinister
Derived terms
* disastrously