Condition
State
noun
The condition that something is in and the appearance of it is the condition / state of that object.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
妹は、メンタルの状態が不安定なことを私に打ち明けた。
My little sister told me about her unstable state of mind.
え、元の状態って、こんな感じだったっけ？
What, was it like this in its original state?
ヒロシと私は今距離を置いてる状態なの。
Hiroshi and I are currently keeping things at a distance.