The phrase "absurd dimensions" is correct and usable in written English.
It can be used to describe something that is excessively large, small, or otherwise unreasonable in size or scale.
Example: "The artist's latest installation features sculptures that challenge our perception of space, with absurd dimensions that defy logic."
Alternatives: "ridiculous proportions" or "outrageous sizes".
In Wonder Bread, of course, you take parental abdication to an almost absurd dimension.
If you survive this last crossing, you'll always have something to laugh at, yourself, and an experience so absurd in its comedic/tragic dimensions that the only possible venue for objective reflection is in the funhouse mirror of the everyday.
But the dimensions of this absurd practice reach far beyond the borders of New York, and there are many culprits.
Although removing dimensions is obviously absurd, it stresses that there are opposite tendencies implicit within the system that can be resolved by adding the dimension of time, and by quantifying the control parameters.
Architects routinely use models, but Sejima uses them to an almost absurd extent for reckoning the precise dimensions of her buildings.
The California-based neo-Dadaist Richard Jackson has built his three-decade career on asserting the material dimensions of painting to absurd extremes.
While it might be entirely reasonable to use the milometer in your car to calculate the distance from London to Birmingham, it would be absurd to use the same instrument to map out the dimensions of a tennis court.
Comparing Barack Obama and Donald Trump on any dimension might strike one as an exercise in the absurd.
Like Sisyphus with his rock, Rory Shayne pushed his way through a violently absurd existence, creating his own purpose by pulling off impossible heists, defiant jailbreaks, and voyages to neighboring dimensions from the confines of his cell.
Dimensions, dimensions, dimensions.
