noun, noun which may take the genitive case particle 'no'
single-shot; firing one shot at a time
Used for firearms that fire one round per trigger pull, or for single-shot actions. Often appears in compounds like 単発銃.
See also: 単発銃 (たんぱつじゅう)
This hunting gun is a single-shot type.
I'm looking for one-off jobs.
noun, noun which may take the genitive case particle 'no'
single-engine; having only one engine
Primarily used for aircraft; also appears in compounds like 単発機. Not typically used for cars or motorcycles.
See also: 単発機 (たんぱつき)
A single-engine propeller plane took off.
noun, noun which may take the genitive case particle 'no'
one-shot; one-off; non-serial
Describes something done or occurring only once, such as a story, event, or payment. Common in phrases like 単発の仕事 (one-off job) or 単発ドラマ (one-shot drama).
This month I picked up a few one-off part-time jobs.
The writer published a one-shot short story.
This gun fires in single-shot mode.
We flew in a single-engine plane.
The incident occurred as an isolated event.
単発の仕事 stresses that the job happens only once, while 臨時 emphasizes that it is temporary or extra rather than regular.
単発 describes a single shot or one-time occurrence, while 連発 means firing or happening repeatedly in quick succession.
単発 describes a single, isolated occurrence, in contrast to 一連 which describes a connected series of occurrences.
多発 means something happens repeatedly and in large numbers, while 単発 means a single, isolated occurrence.
Compound of 単 (single) and 発 (discharge, departure). The exact historical derivation is uncertain, but the kanji combination transparently conveys 'single occurrence' or 'single discharge'.