"nothing consequential" is correct and usable in written English.
You can use it to describe something that is not significant and it has no consequences. For example: The decision was not difficult; it was nothing consequential.
There is nothing consequential or even particularly clever in the book, the music or the lyrics.
Ever since the garden opened in 1939, it seemed as though nothing consequential remained of the Rockefeller house.
And anyway, she wondered, shouldn't the real question be why there were no efforts made to save her husband and the other passengers of Flight 93? Their plane was the last to be hijacked, yet "for almost an hour [from the time of the first hijacking], nothing consequential was done".
The three-part program from the local dance troupe BodyTraffic at the Broad Stage on Thursday resembled one of those television series in which nothing consequential ever happens but you keep watching because everyone in the cast is so unfailingly deft and endearing.
On the contrary, it's the unexamined attitudes and assumptions — things that people take to be merely matters of manners or taste, and nothing so consequential as political positions — that need critical attention.
If you're a politician, nothing is more consequential.
On the global stage, nothing could be more consequential than how this relationship plays out.
"In a media landscape replete with Twitter, Facebook, personal blogs and myriad other digital, broadcast and print sources," he wrote, "nothing is too inconsequential to be made consequential.
And to top off the pizza's unfunniness came DeGeneres's passing of the hat to pay for it, about which Emily Gould aptly tweeted, "amounts of money that are consequential to most people mean nothing to us, they are literally a joke! ha ha ha".
In a media landscape replete with Twitter, Facebook, personal blogs and myriad other digital, broadcast and print sources, nothing is too inconsequential to be made consequential.
"One is my own, in my suburban surroundings with my cup of green tea, and it feels like nothing's really going on and nothing's consequential.
