NSW Opportunity Class

Learn “Deleterious”

A free exam-vocabulary guide with a precise meaning, natural context and a memory connection that makes the word easier to retrieve.

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NSW Opportunity Class

Deleterious

adjective/del-i-teer-ee-us/

causing harm or damage.

Smoking is known to have deleterious effects on health.

Starts like 'delete' — deleterious things slowly delete your health or habitat.

Formal and scientific: 'deleterious effects on' health, soil or the environment.