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/ɔrˈθɒpniə/ · noun
Shortness of breath when lying flat, causing the person to have to sleep propped up in bed or sitting in a chair..
Use orthopnoea when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Orthopnoea means Shortness of breath when lying flat, causing the person to have to sleep propped up in bed or sitting in a chair..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use orthopnoea where its definition matches the intended context.
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