Experimental and Preliminary

Experimental

Experimental adjective - Made or done as an experiment.
Usage example: an experimental procedure for patients suffering from leukemia

Preliminary is a synonym for experimental in test topic. In some cases you can use "Preliminary" instead an adjective "Experimental", when it comes to topics like exploratory.

Preliminary

Preliminary adjective - Coming before the main part or item usually to introduce or prepare for what follows.

Experimental is a synonym for preliminary in early topic. You can use "Experimental" instead an adjective "Preliminary".
Cite this Source
Preliminary and Experimental. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/experimental/preliminary
Experimental & Preliminary. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/experimental/preliminary>.
Preliminary or Experimental. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/experimental/preliminary.
Google Ngram Viewer shows how "experimental" and "preliminary" have occurred on timeline