The phrase "excessively dependent" is a correct and usable phrase in written English.
You can use it to describe someone or something that is overly reliant on something else. For example, "The company was excessively dependent on its major customer, resulting in a loss of income when the customer left."
The economy is narrow and excessively dependent on natural resource wealth, while many sectors — including agriculture and high technology — are underdeveloped.
Mr. Nicholson is no supporter of the current nominating process, which he finds excessively dependent on money, giving too much influence to states with early primaries.
As it is, today's students have become overly enamored with and excessively dependent on electronic gadgetry for communication and learning.
Her brother is, as we've seen, a manic man-child, excessively dependent and at times alarmingly enraged.
An ANOVA analysis indicates that the final results were not excessively dependent on the input data of the simulation model.
But an economy such as ours – excessively dependent on consumer spending, property speculation and high levels of debt – is vulnerable to shocks.
If the recovery is hugely - perhaps excessively - dependent on interest rates remaining at record low levels, in that consumption, house building and housing-market activity, so rely on cheap money, then treasury hair-shirtism would be benign.
Rousseau charged that Christianity teaches people to be excessively servile and dependent, leaving adherents unsuitable for military service and ready for slavery.
They may also complain constantly about all the things they do for you and wonder rhetorically when you're going to return this favor... Excessively needy and dependent personalities.
"So not excessively excessive.
They are a constant reminder of three years of a rigid, fatuous, fantasy-driven energy policy that has rendered us scandalously dependent and excessively vulnerable.
