As an adjective disastrous
is of the nature of a disaster; calamitous.
As a verb agonising is
present participle of lang=en.
As a noun agonising is
an alternative form of lang=en.
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