disastrous

As an adjective disastrous

is of the nature of a disaster; calamitous.

As a noun rotten is

.

As adjectives the difference between horrendous and disastrous

is that horrendous is extremely bad; awful; terrible while disastrous is of the nature of a disaster; calamitous.

As adjectives the difference between disastrous and sad

is that disastrous is of the nature of a disaster; calamitous while sad is sated, having had one's fill; satisfied, weary.

As an acronym SAD is

seasonal affective disorder.

As adjectives the difference between distract and disastrous

is that distract is (obsolete) separated; drawn asunder while disastrous is of the nature of a disaster; calamitous.

As a verb distract

is to divert the attention of.

As adjectives the difference between enormous and disastrous

is that enormous is (obsolete)  deviating from the norm; unusual, extraordinary while disastrous is of the nature of a disaster; calamitous.

As adjectives the difference between truculent and disastrous

is that truculent is cruel or savage while disastrous is of the nature of a disaster; calamitous.

As a noun occurrences

is .

As an adjective disastrous is

of the nature of a disaster; calamitous.

As a noun calamity

is an event resulting in great loss.

As an adjective disastrous is

of the nature of a disaster; calamitous.

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 is a related term of severe.

As adjectives the difference between disastrous and severe

is that disastrous is of the nature of a disaster; calamitous while severe is severe, harsh.