Translation guide
Describes something created or done for a specific purpose or situation, without prior planning or general applicability.
To describe something created or done on the spot for a specific need, without prior preparation.
Means 'impromptu' or 'makeshift'. Often used for things quickly put together, like a speech or a meal.
I was asked to give an ad hoc speech.
Literally 'only for that place/situation'. Emphasizes the temporary, one-off nature.
An ad hoc solution won't do.
A stopgap or makeshift thing. Suggests something used temporarily because the proper thing isn't available.
I repaired it with ad hoc tools.
For the time being; temporary. Often used in financial contexts (e.g., 'ad hoc loan').
We raised ad hoc funds.
To describe a committee, rule, or solution created for a particular issue, not intended to be permanent or universal.
Means 'temporary' or 'extraordinary'. Commonly used for committees, meetings, or measures.
An ad hoc committee was established.
Specially set up for a purpose. Often used for websites, courses, or teams.
Dedicated or exclusive. Can imply 'ad hoc' when something is made for a single purpose.
To describe doing something without prior planning, on the spot.
Literally 'on the spot'. The most natural way to say 'ad hoc' as an adverb.
We solved the problem ad hoc.
Improvised, especially for performances or creative acts.
He made up a song ad hoc.
Haphazardly, without a plan. Has a slightly negative nuance of being unorganized.
We traveled ad hoc.
The English phrase 'ad hoc' is often used in formal or technical contexts. In Japanese, there is no single equivalent; choose based on whether you mean 'temporary', 'improvised', or 'for a specific purpose'. Using アドホック is possible in IT contexts but sounds like jargon.
We released information on an ad hoc website.
このツールは専用に開発された。
This tool was developed ad hoc.