The phrase "ambiguous thing" is correct and usable in written English.
It can be used to describe an object, concept, or situation that is unclear or open to multiple interpretations.
Example: "The instructions were an ambiguous thing, leaving everyone confused about what to do next."
Alternatives: "unclear matter" or "vague concept".
"It is such an ambiguous thing which you can quite easily project your own meaning on to, it could endorse something I didn't want to endorse.
"It's almost like Veronica's imagination has been stained by the family she grew up in, and a stain is an ambiguous thing," she explained.
It is an ambiguous thing.
Why are we so intent on finding this ambiguous thing we can't even define?
It's also not surprising that when they did return this week with a new video presenting "Gink," a new ambiguous thing that will revolutionize the internet, it was hilarious.
Very soon after that we made it official in the eyes of The Lord, and it became an ambiguous thing for a little as people on and offline tried to suss out how serious we were.
The reason a radiologist is required to assume that the overwhelming number of ambiguous things are normal, in other words, is that the overwhelming number of ambiguous things really are normal.
The difficulty of coming to terms with such a mayor was evident in the strikingly ambiguous things constituents said in the days following Mr. Cianci's disgrace.
Brazil, whose current government has said troublingly ambiguous things about its nuclear ambitions, recently announced that it, too, would soon start enriching uranium, to provide fuel for its nuclear power industry.
Seemingly rejecting the suggestion that, whatever Williams's intention, there are perhaps less ambiguous things you could do with your arm while on stage in Berlin, he claimed that Williams was in fact "throwing up the Star Trek sign, which is also the sign for his record label Star Trak.
She at least gets some great laugh lines, from her concern that she is always asked to do "morally ambiguous" things to her exuberant willingness to scold Margene without even knowing why she's in trouble.
