Physical condition; the state of one's health (how one is feeling physically).
今朝は体調が悪くて会社を休んだ。
I felt unwell this morning and took the day off work.
体調管理に十分気をつけてください。
Please take good care of your health/condition.
季節の変わり目は体調を崩しやすい。
People are likely to get out of sorts at the change of seasons.
体調が良ければ会議に出席します。
If I'm feeling well, I'll attend the meeting.