Completely clear and without any doubt or ambiguity; leaving no room for misunderstanding.
From Latin 'un-' (not) plus 'equivocus' (of equal voice), literally meaning not having multiple voices or interpretations.
The root 'equi-' means equal and '-vox' means voice, so an equivocal statement is one that speaks with 'equal voice' in multiple directions—unequivocal literally means it speaks with only one voice, impossible to misunderstand.
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