Fetching details from the dictionary...
experimental
実験的な試みが新しい産業を生んだ。
An experimental effort gave rise to a new industry.
その映画は実験的な演出で批評家を驚かせた。
The film's experimental direction surprised critics.
実験的な治療を受けた患者が予想外の回復を見せた。
A patient who received experimental treatment showed an unexpected recovery.