単発(たんぱつ)

たんぱつ
noun, no-adjective
one-time; one-shot; single; standalone
quantity
1. one-time; one-shot; standalone
Something that occurs only once or is not part of a series. Used for events, jobs, broadcasts, and other activities that are not recurring.
単発(たんぱつ)のアルバイトを探(さが)している。
I'm looking for a one-time part-time job.
このドラマは連続(れんぞく)ではなく単発(たんぱつ)だ。
This drama is a standalone, not a series.
単発(たんぱつ)のイベントだったが、好評(こうひょう)で定期開催(ていきかいさい)になった。
It was a one-time event, but it was well received and became a regular event.
2. single-engine; single-shot
In technical contexts, having only one engine (aircraft) or firing one shot at a time (firearms).
単発(たんぱつ)エンジンの小型機(こがたき)が着陸(ちゃくりく)した。
A small single-engine aircraft landed.
この銃(じゅう)は単発(たんぱつ)で、一発(いっぱつ)ずつ装填(そうてん)する必要(ひつよう)がある。
This gun is single-shot and needs to be loaded one round at a time.
単発(たんぱつ)の飛行機(ひこうき)は双発機(そうはつき)より燃費(ねんぴ)がいい。
Single-engine planes have better fuel efficiency than twin-engine ones.

Composed of 単(たん) (single) and 発(ぱつ) (emission, shot). Sense 1 is far more common in everyday use.

Common collocations

Similar words

Related Words

Antonym: 連続(れんぞく) (serial, continuous)
Compare: 連載(れんさい) (serialized)
Compare: 一回限(いっかいかぎ)り (one time only)
Compare: 一度(いちど)きり (only once)
general
Added 2026.3.30 2:09 · Revised 2026.9.2 13:02
20500/20543_tanpatsu