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Pronunciation varies by accent · adjective
Relating to whales or more generally to any marine mammal of the infraorder Cetacea..
Use cetaceous when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Cetaceous means Relating to whales or more generally to any marine mammal of the infraorder Cetacea..
Common synonyms include cetacean.
The opposite depends on the specific sense.
Use cetaceous where its definition matches the intended context.
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