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Pronunciation varies by accent · adverb
Not able to be explained logically. Without being accountable, or reasonable..
After all that hard work, he unaccountably failed to take out the patent.
The jury was unaccountably slow to reach a verdict. He was clearly innocent.
The number 392, very unaccountably, was never filled, and two of the sets of parts never appear to have been assembled at all, and were presumably kept as spares.
Use unaccountably when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Unaccountably means Not able to be explained logically. Without being accountable, or reasonable..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
After all that hard work, he unaccountably failed to take out the patent.
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