A design, action, or decision that is clearly incorrect or inappropriate. Often capitalised; always emphasised in speech as if capitalised. The opposite of the Right Thing; more generally, anything that is not the Right Thing. In cases where "the good is the enemy of the best", the merely good - although good - is nevertheless the Wrong Thing. "In C, the default is for module-level declarations to be visible everywhere, rather than just within the module. This is clearly the Wrong Thing."
We live in a washed-out PC world where nobody in government wants to say the wrong thing so they say nothing at all.
The first wrong thing to note here is that Carr appears to have played into the confusion of Sikhs and Muslims.
“Yeah, and the year I was born,” I said, instantly realizing that was the wrong thing to say.
My first priority as a teenager was doing the wrong thing, and I had to be led back to doing the right thing.
I was [making the offer] because building a mosque was the wrong thing to do at the wrong location at the wrong time….
If so, they have expected too much, or have expected the wrong thing.
And it's the same with the man: he'll probably do the wrong thing.
She did not know what to say next, fearing to say the wrong thing, and so to throw away a golden opportunity.
I've been trying to think of one wrong thing he might have done which he didn't do.
It was a wrong thing, and much unhappiness has flowed from it.