What does proficientness mean?
Proficientness means (rare) proficiency.
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Pronunciation varies by accent · noun
(rare) proficiency.
Use proficientness when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Proficientness means (rare) proficiency.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use proficientness where its definition matches the intended context.
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