The phrase "a flimsy base" is correct and usable in written English.
It can be used to describe a foundation or support that is weak or not sturdy enough to hold something up effectively.
Example: "The argument presented in the debate was built on a flimsy base, making it easy for the opposition to dismantle."
Alternatives: "a weak foundation" or "an unstable base."
After creating what looked like a flimsy base, our structure actually set the class record holding 26 text books!
The true state of the economy, however, remained well hidden, even as it teetered on a flimsy base of fraud, inflated stocks, and bank-created debt.
Stuck with a flimsy tax base, cities have relied on sales of land to fund their operations and have engaged in reckless off-books borrowing.The finance ministry now says it will sort out this mess by 2020.
With a solitary MP and a flimsy activist base, it still played a huge role in embedding the connection between most of Britain's ills and the EU, and thereby carrying its cause from the margins of politics to its very centre.
However, when it came to her comments on Walmart and Amazon, Kessler pointed out that both corporations pay workers more than minimum wage, also contending her claim of a wealth transfer was flimsy based on a 2005 paper written by Jason Furman, who would later chair the Council of Economic Advisers in the Obama Era.
Their criticism of Ms Spielman for lacking "passion" is a flimsy one based on the style of her response to questions, not the substance of her answers.
But this isn't speculation or a flimsy report based on unnamed sources — Verizon's CEO Lowell McAdam told the paper as much today.
When I work with families for example, sometimes I meet people who have constructed a flimsy existence based on power struggles and tantrums all around.
Yet the DoJ's case is flimsy, based on assertion, coincidence and lobbying from Amazon, says Benedict Evens of Enders Analysis.
The UN Provides the flimsiest base for its figures, building extravagant assumptions on the high end of American estimates.
Where it faces downtown Cincinnati, the stadium is covered in a brick facade with a stone base, a flimsy shawl of tradition that the broad-shouldered steel frame of the stadium, rising up behind, seems simply to be shrugging off.
