noxious

/ˈnɒkʃəs/

Group 18Difficulty 1/3

Definition

(adjective)
Harmful, poisonous, or very unpleasant
GRE

Example in Context

The factory emitted noxious fumes that sickened residents of the neighboring community and contaminated the local water supply.

Synonyms

toxicharmfulpoisonous

Etymology

Full of harm — something that poisons or is unpleasant.

  • nox- (Latin) — harm
  • ious (Latin) — full of

Memory Aid

💥Sounds like “Knocks Us

When a NOXIOUS odor knocks us out, we can’t help but make a face!

Visual Association

☠️A cartoon skunk releasing a green cloud of stink, making everyone faint around it.

Semantic Clusters

Synonym Groups

Frequently Asked Questions

What does “noxious” mean on the GRE?

noxious (adjective) means “Harmful, poisonous, or very unpleasant”. The factory emitted noxious fumes that sickened residents of the neighboring community and contaminated the local water supply.

How to remember “noxious” for the GRE?

Mnemonic: “noxious” sounds like “Knocks Us”. When a NOXIOUS odor knocks us out, we can’t help but make a face!

What are synonyms for “noxious”?

Common synonyms: toxic, harmful, poisonous.