Sentence examples for a state from inspiring English sources

"a state" is a correct and usable part of a sentence in written English.
You can use "a state" when you want to describe a condition or situation. For example, "She was in a state of panic when she realized she lost her phone." This means that the person was feeling very anxious and worried when she realized her phone was missing. Another example could be, "The house was in a state of disarray after the party." This means that the house was in a messy and disorganized condition after the party.