Ambiguous: Grammar and Sentence Patterns

Ambiguous pairs with a small set of prepositions, and each one points at a different piece: what the ambiguity is about, how formally it's scoped, and whose reading it's judged from.

"Ambiguous about" names the fact or decision in question — ambiguous about who approves overtime. "Ambiguous as to" does the same job in a more formal register, common in contract review — ambiguous as to which party pays customs fees. "Ambiguous on" scopes it to a single point, and shows up less often.

"Ambiguous in" points at the wording itself — ambiguous in how it defines "business day." "Ambiguous to" a reader scopes the reading to one specific person's perspective — the instructions were ambiguous to a new hire, even if a veteran would read them the same way every time.

Beyond the prepositions, the same word collocates with ownership, a reporting line, or scope, and pairs with deliberately or genuinely to mark whether the ambiguity was on purpose. Something remains ambiguous until someone resolves the ambiguity — or chooses to leave it ambiguous.