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deli
Delian
Delian League
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deleterious

del·e·te·ri·ous [ dèllə tree əss ]


adjective 
Definition:
 
harmful: having a harmful or damaging effect on somebody or something

[Mid-17th century. Via medieval Latin< Greek dēlētērios "noxious"]

del·e·te·ri·ous·ly adverb
del·e·te·ri·ous·ness noun
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