1.
start, beginning, commencement
The act of beginning something; the point at which something starts.
会議は十時に開始します。
The meeting will start at 10 o'clock.
販売開始は来月の予定です。
Sales are scheduled to begin next month.
工事を開始する前に確認してください。
Please confirm before starting the construction.
新しいサービスの開始日はまだ決まっていない。
The start date of the new service has not been decided yet.
準備が整い次第、作業を開始します。
We will start the work as soon as preparations are complete.
開始 means start or beginning. It is commonly used in formal and business contexts.
TRANSITIVITY:
- Pattern: Xを開始する (to start X) - transitive use
- Pattern: Xが開始する (X starts) - less common
COMMON COLLOCATIONS:
- 開始時間 (start time)
- 開始日/開始日 (start date)
- 販売開始 (sales start)
- 営業開始 (business opening)
- サービス}{開始 (service launch)
ANTONYM:
- 終了 (end, conclusion)
SIMILAR WORDS:
- 始まる/始める: more general, used in everyday speech
- 開始する: more formal, used for events, services, operations