noxious

Noxious is a related term of vicious.

As adjectives the difference between noxious and vicious

is that noxious is harmful; injurious while vicious is pertaining to vice; characterised by immorality or depravity.

Serious is a related term of noxious.

As adjectives the difference between serious and noxious

is that serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn while noxious is harmful; injurious.

Noxious is a related term of insalubrious.

As adjectives the difference between noxious and insalubrious

is that noxious is harmful; injurious while insalubrious is unhealthful, not providing or promoting health.

As adjectives the difference between deadly and noxious

is that deadly is subject to death; mortal while noxious is harmful; injurious.

As an adverb deadly

is fatally, mortally.

Faulty is a related term of noxious.

As adjectives the difference between faulty and noxious

is that faulty is having or displaying faults; not perfect; not adequate or acceptable while noxious is harmful; injurious.

Noxious is a related term of gross.

As an adjective noxious

is harmful; injurious.

As a proper noun gross is

.

Inappropriate is a related term of noxious.

As adjectives the difference between inappropriate and noxious

is that inappropriate is not appropriate; not suitable for the situation, time, and/or place while noxious is harmful; injurious.

As an adjective noxious

is harmful; injurious.

As a proper noun pestilence is

the personification of pestilence, often depicted riding a white horse.

As adjectives the difference between noxious and notorious

is that noxious is harmful; injurious while notorious is widely known, especially for something bad; infamous.

As adjectives the difference between noxious and hazardous

is that noxious is harmful; injurious while hazardous is risky, dangerous, with the nature of a hazard.