layeredmistake
nounA layered mistake is a mistake made of many small mistakes stacked on top of each other.
The cake was a layered mistake of wrong flour, too much sugar, and a forgotten oven timer.
OTHER MEANINGS
2. A problem that grew worse because each fix created a new problem.
The software update became a layered mistake after every patch broke something new.
3. A misunderstanding built from several smaller miscommunications.
Their argument was a layered mistake of missed texts and wrong assumptions.
4. A design flaw caused by many small poor choices added together.
The bridge's failure was a layered mistake of cheap materials and rushed planning.
5. A story or excuse that keeps adding new details to cover earlier lies.
His explanation turned into a layered mistake as he invented more and more alibis.