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Pronunciation varies by accent · noun
Abbreviation of attention, used as a heading in letters to indicate for whom the letter is intended..
Use attn when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Attn means Abbreviation of attention, used as a heading in letters to indicate for whom the letter is intended..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use attn where its definition matches the intended context.
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