Having two ways, paths, or directions; capable of being interpreted in two different ways.
From Latin 'bivius,' combining 'bi-' (two) and 'via' (way). This adjective directly parallels Roman road terminology and appears in English texts dating back to the 16th century.
Bivious situations are genuinely ambiguous—not like 'trivial' decisions where three roads meet, but truly balanced between two equal options, which is why philosophers love using this word to describe genuine dilemmas.
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