Absence; not attending an event such as a meeting or class — the state of being not present.
昨日は体調不良で授業を欠席した。
I was absent from class yesterday because I wasn't feeling well.
会議を欠席する場合は事前に連絡してください。
If you are going to be absent from the meeting, please notify us in advance.
欠席が続くと成績に影響することがある。
Continuous absences can affect your grades.