The phrase "almost complete breakdown" is correct and usable in written English.
It can be used to describe a situation that is nearing a total failure or collapse, often in contexts such as systems, relationships, or processes.
Example: "After weeks of miscommunication and stress, the team's dynamics reached an almost complete breakdown."
Alternatives: "nearly total collapse" or "approaching total failure."
Given the events of last week and the almost complete breakdown in relationship between the government and the crossbench, I would doubt now whether it would go through.
Amid an almost complete breakdown in relations between the government and the corporation, the BBC's chairman, Gavyn Davies, and its director-general, Greg Dyke, resigned.
The book has already sold half a million copies in Norway alone; Knausgaard's father's family have broken with him, his brother won't speak to him, and his marriage suffered an almost complete breakdown as the result of his having written it.
They have two drivers both determined to win the championship, but an almost complete breakdown in trust between them.
A doctor who returned to help treat victims of the Aleppo siege in Syria gives a gloomy assessment of the almost complete breakdown of medical treatment in the city.
The spectra movement of complex [CTMA * LS] solution in the absence of CaCO3 particles and in presence of substrate when compared to that of CTMA solution alone demonstrates almost complete breakdown of the combination [CTMA * LS] caused by the presence of CaCO3 nanoparticles.
His administration has instead seen the near complete breakdown of normal order on campaign finance.
These include a management buyout of Allders in the late 1980s, and Bradford-based supermarket chain Morrisons, which suffered an almost complete management breakdown after buying bigger rival Safeway.
We're talking about a complete breakdown of identifying with Europe.
Growth of seedlings on media containing higher (0.3 M) concentrations of glucose results in almost complete elimination of lipid breakdown.
Although this is a press release, any technological revolution in the nuclear power industry - especially one that reduces nuclear waste by almost 95% - should come with a complete breakdown of how this reactor works.
