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Pronunciation varies by accent · noun
Any eurypterid sea scorpion of the family †Waeringopteroidea..
Use waeringopterid when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Waeringopterid means Any eurypterid sea scorpion of the family †Waeringopteroidea..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use waeringopterid where its definition matches the intended context.
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