The phrase "a colossal one" is correct and usable in written English.
It can be used to describe something that is extremely large or significant in size, importance, or impact.
Example: "The project was a colossal one, requiring the efforts of hundreds of workers over several years."
Alternatives: "a massive one" or "a gigantic one."
A franchise known for its playoff flops avoided a colossal one and now heads into its second straight Western Conference finals.
What this suggests is that, by enshrining the sequester into law, the 2011 Budget Control Act — enacted under the threat of default — was a miscalculation, perhaps even a colossal one, by the Obama administration.
But the setup is a colossal one that ventures far from Debbie's immediate circle of criminal connections and, for that matter, reaches peculiarly far into the realms of media and celebrity and involves the manipulation of news and infotainment.
That's crucial because there's going to be mistakes and this one sounds like a colossal one".
In my view she made a misjudgement, but not a colossal one.
"Businesses will be ecstatic at today's decision because the Games will bring a colossal one-off commercial boost to the entire country," said the group's president, Michael Cassidy.
We might invest unwisely; we need a lot of modest investments, not a few colossal ones.
Near the chapel stands Barnett Newman's sculpture Broken Obelisk, a colossal impossibility, one point apparently balanced on another, supporting immense weight, forever suspended, forever incomplete.
The other Big Three — LeBron James, Dwyane Wade and Chris Bosh — are now teetering on the edge of a colossal collapse, one that could threaten Coach Erik Spoelstra's job security and trigger a wholesale reevaluation of the Miami lineup.
And, most absurdly, he seemingly failed to appreciate that the deficit in the pension fund – a colossal £571m on one count – might scupper any theoretical possibility of reversing BHS's fortunes.
The reasoning is that either (1) the argument from design is saved, with the premise that the creator designed us to suffer as a part of some providential plan or (2) the argument from design is abandoned, because it is clear that, if there were a creator, that being made a colossal error designing one's creatures to suffer is surely a defect in design.
