Translation guide
The English word 'experimental' describes something based on, used in, or relating to experiments, often implying it is not yet finalized or is innovative. In Japanese, the most common equivalent is 実験的 (jikkenteki), but other expressions exist depending on context.
Describing something that is done as an experiment, or is in a trial phase, not yet established.
The most direct and common translation for 'experimental'. Used for methods, approaches, or things that are trial-based.
This is an experimental attempt.
An experimental treatment was developed.
Often used for 'trial' or 'test' phases, especially in business or technology contexts. Slightly more formal than 実験的.
We will introduce the new system on a trial basis.
Literally 'experimental stage', used when something is still in the experimental phase.
The technology is still in the experimental stage.
Describing art, music, design, etc., that is innovative, unconventional, or pushing boundaries.
Also used for avant-garde or innovative works. Context makes the meaning clear.
His experimental music is supported by many young people.
Means 'avant-garde', often used in art and culture. More specific than 実験的 for cutting-edge movements.
Means 'innovative' or 'revolutionary'. Used when the experimental nature leads to significant change.
Pertaining to the setup, equipment, or conditions of a scientific experiment.
While 実験 means 'experiment', simply using 実験 to mean 'experimental' can be ungrammatical. Use 実験的 or 実験の depending on the context. For example, 'experimental results' is 実験の結果, not 実験結果 (which is a compound noun meaning 'experiment results' and is also acceptable but less precise as a modifier).
Avant-garde films may be difficult for general audiences.
The design is innovative.