End, Finish, Close
noun, verbal noun
It's the end. It's the finish. This word means end. Or finish! How convenient. Note that 終了 is slightly more formal than 終わる.
しゅうりょう
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.
ミーティングは終了しました。
The meeting has ended.
全ての作業は月末までに終了する予定です。
All of the work is scheduled to be completed by the end of the month.
気に入ったドラマが一シーズンで終了してしまった。
My favorite drama ended in one season.