poisonous

Mortal is a related term of poisonous.

As adjectives the difference between mortal and poisonous

is that mortal is susceptible to death by aging, sickness, injury, or wound; not immortal while poisonous is containing sufficient poison to be dangerous.

As a noun mortal

is a human; someone susceptible to death.

Destructive is a related term of poisonous.

As adjectives the difference between destructive and poisonous

is that destructive is causing destruction; damaging while poisonous is containing sufficient poison to be dangerous.

Deleterious is a related term of poisonous.

As adjectives the difference between deleterious and poisonous

is that deleterious is harmful often in a subtle or unexpected way (as for example deleterious'' effects, ''deleterious to health) while poisonous is containing sufficient poison to be dangerous.

Disastrous is a related term of poisonous.

As adjectives the difference between disastrous and poisonous

is that disastrous is of the nature of a disaster; calamitous while poisonous is containing sufficient poison to be dangerous.

Poisonous is a related term of malignant.

As adjectives the difference between poisonous and malignant

is that poisonous is containing sufficient poison to be dangerous while malignant is harmful, malevolent, injurious.

As a noun malignant is

.

Serious is a related term of poisonous.

As adjectives the difference between serious and poisonous

is that serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn while poisonous is containing sufficient poison to be dangerous.

As an adjective poisonous

is containing sufficient poison to be dangerous.

As a noun poisoning is

the administration of a poison.

As a verb poisoning is

.

Harmful is a related term of poisonous.

As adjectives the difference between harmful and poisonous

is that harmful is of a kind likely to be damaging; injurious while poisonous is containing sufficient poison to be dangerous.

Fatal is a related term of poisonous.

As adjectives the difference between fatal and poisonous

is that fatal is proceeding from, or appointed by, fate or destiny while poisonous is containing sufficient poison to be dangerous.

As a noun fatal

is a fatality; an event that leads to death.

Detrimental is a related term of poisonous.

As adjectives the difference between detrimental and poisonous

is that detrimental is causing damage or harm while poisonous is containing sufficient poison to be dangerous.