disastrous

Disastrous is a related term of deleterious.

As adjectives the difference between disastrous and deleterious

is that disastrous is of the nature of a disaster; calamitous while deleterious is harmful often in a subtle or unexpected way (as for example deleterious'' effects, ''deleterious to health).

As adjectives the difference between disastrous and extreme

is that disastrous is of the nature of a disaster; calamitous while extreme is of a place, the most remote, farthest or outermost.

As a noun extreme is

the greatest or utmost point, degree or condition.

As an adverb extreme is

extremely.

Disastrous is a related term of unlucky.

As adjectives the difference between disastrous and unlucky

is that disastrous is of the nature of a disaster; calamitous while unlucky is unfortunate, marked by misfortune.

Disastrous is a related term of mortal.

As adjectives the difference between disastrous and mortal

is that disastrous is of the nature of a disaster; calamitous while mortal is susceptible to death by aging, sickness, injury, or wound; not immortal.

As a noun mortal is

a human; someone susceptible to death.

As adjectives the difference between disastrous and toxic

is that disastrous is of the nature of a disaster; calamitous while toxic is having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.

Disastrous is a related term of baleful.

As adjectives the difference between disastrous and baleful

is that disastrous is of the nature of a disaster; calamitous while baleful is portending evil; ominous.

Disastrous is a related term of deadly.

As adjectives the difference between disastrous and deadly

is that disastrous is of the nature of a disaster; calamitous while deadly is (lb) subject to death; mortal.

As an adverb deadly is

(obsolete) fatally, mortally.

Horrible is a related term of disastrous.

As adjectives the difference between horrible and disastrous

is that horrible is causing horror; terrible; shocking while disastrous is of the nature of a disaster; calamitous.

As a noun horrible

is a thing that causes horror; a terrifying thing, particularly a prospective bad consequence asserted as likely to result from an act.

Disastrous is a related term of woeful.

As adjectives the difference between disastrous and woeful

is that disastrous is of the nature of a disaster; calamitous while woeful is full of woe; sorrowful; distressed with grief or calamity.

Grave is a related term of disastrous.

As a noun grave

is cave, den, lair.

As an adjective disastrous is

of the nature of a disaster; calamitous.