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/ˌmaɪkɹəʊ.ɪkˈspɹɛʃən/ · noun
A fleeting, involuntary facial expression that may reveal private thoughts or emotions..
Use microexpression when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Microexpression means A fleeting, involuntary facial expression that may reveal private thoughts or emotions..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use microexpression where its definition matches the intended context.
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