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Pronunciation varies by accent · noun
A climbing leguminous plant of Southeast Asia and the southwest Pacific Islands, Derris elliptica, whose roots are a source of rotenone..
Use derris when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Derris means A climbing leguminous plant of Southeast Asia and the southwest Pacific Islands, Derris elliptica, whose roots are a source of rotenone..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use derris where its definition matches the intended context.
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