The phrase "already confined" is correct and usable in written English.
It can be used to describe a state of being restricted or limited in some way, often referring to physical or metaphorical confinement that has occurred prior to the current moment.
Example: "The animals were already confined to their enclosures before the storm hit."
Alternatives: "previously restricted" or "already limited".
Six others in the field of nine were already confined and ready to run.
She was awarded an FRS in 1999, by which time her ill health meant she was already confined to a wheelchair.
Some 140,000 refugees, mostly Karens and Karennis, another ethnic group, are already confined to Thai camps built in the 1980s which have a depressing air of permanence.
Sesay, 45, her three-year-old granddaughter and the other families living here were already confined to their row of nine shacks because of the deaths.
At another point the Legislature balked, distressed at the prospect of spending millions of dollars on a state murder trial of a man already confined to a federal prison for life.
Even though we have already confined 'natural law theory' to its use as a term that marks off a certain class of ethical theories, we still have a confusing variety of meanings to contend with.
With the country's growing prosperity, trachoma has already been confined to five southern provinces in the shadow of the Atlas mountains.
In QDs with a spike-like morphology, the electron probability density is already strongly confined, the external magnetic field can no longer decrease more the diamagnetic term contribution, and the energy dependencies on the increasing magnetic field become similar to those of ring-like structures.
Study 2 has a within-group repeated measurements design and will include ten boys with DMD who have already been confined to a wheelchair for several years.
It is possible that the time required for robustness to confer a fitness advantage was longer than 5 × 104 updates, but after such long time the initial differences in robustness may have vanished or, alternatively, populations might have already been confined to a stable fitness value.
Your note should already be confined to a square space at this point.
