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Pronunciation varies by accent · noun
(informal, humorous, very rare) Any substance having a strong physiological effect, similar to that of caffeine but stronger..
Use supercaffeine when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Supercaffeine means (informal, humorous, very rare) Any substance having a strong physiological effect, similar to that of caffeine but stronger..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use supercaffeine where its definition matches the intended context.
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