Noxious

medium

NOK-shus

adjective

Definition

Harmful, poisonous, or very unpleasant

Examples

The factory released noxious fumes into the air.
Noxious weeds threatened to overtake the garden.

Categories

GRE Tip

Noxious is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "toxic" or "pernicious" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "harmless".

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