This is the 1916th most frequent Japanese word.
調子
Condition; state; tone; rhythm; mood.
The word '調子' is used to refer to one's physical condition or general state of being.
最近、調子が悪いんです。
Recently, I haven't been feeling well.
Here, '調子' describes the operational state or condition of a machine or device.
その機械の調子はどうですか。
How is the condition of that machine?
In this case, '調子' is used to indicate the tone or style of speech or conversation in a context.