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Pronunciation varies by accent · noun
Any of several extinct animals proposed as an evolutionary link between fossil reptiles and fossil birds; a protobird..
Use proavian when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Proavian means Any of several extinct animals proposed as an evolutionary link between fossil reptiles and fossil birds; a protobird..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use proavian where its definition matches the intended context.
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