My landlord was forced to return my deposit after I pointed out that the cancellation clause in my lease was ambiguously worded.
I dislike my boss's ambiguously worded emails because they require me to ask for clarification before taking action.
The actor's ambiguously defined sexuality was the subject of much speculation, but he refused to comment on his private romantic relationships.
The ambiguously written ending of the novel had fans clamoring for a sequel so they could confirm what happened to the main character.
Secondarily, the thing itself is ambiguously said to be true in the sense of being signified as it is.
For example, as I am weary and am conscious of being weary, my judgment and proposition that I am weary are true because they signify what I am and know myself to be by direct consciousness; and my being weary is ambiguously said to be true because it is so signified.