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Pronunciation varies by accent · noun
Any of various lycaenid butterflies of the genus Arhopala, of Asia and Australasia..
Use oak-blue when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Oak-blue means Any of various lycaenid butterflies of the genus Arhopala, of Asia and Australasia..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use oak-blue where its definition matches the intended context.
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