A Word A Day : Deleterious

Sunday, 16th September 2007 : Today's Word is ...


( Adjective )

Pronunciation : (del'i-tir'e-us)

1. Having a harmful effect

2. Causing harm or injury

3. Hurtful, morally or physically

4. Causing or capable of causing harm


From Greek deleterios, from deleter, destroyer, from deleisthai, to harm


1. Injurious

2. Hurtful

3. Harmful

4. Evil

5. Detrimental

6. Bad

7. Ill

8. Mischievous


1. Aiding

2. Helpful

3. Assisting

Contextual Examples:

• Youngsters do not understand the deleterious effects of smoking.

• Using steroids can be deleterious to your health.

Related Words:

1. Deleteriously : Adverb

2. Deleteriousness : Noun

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