Definition of experimental in English:

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Pronunciation: /ikˌsperəˈmen(t)l/


1(Of a new invention or product) based on untested ideas or techniques and not yet established or finalized: an experimental drug
More example sentences
  • Meanwhile, the experimental products will be tried in real repair projects.
  • Once in orbit, the experimental craft will wait four days before extending its solar sails, and will use this time to take pictures of Earth.
  • Recently, researchers combined strontium with ranelic acid to produce the experimental drug.
speculative, conjectural, hypothetical, tentative, preliminary, untested, untried
1.1(Of a work of art or an artistic technique) involving a radically new and innovative style: experimental music
More example sentences
  • The group has been described as the most radical and experimental art movement of the sixties.
  • It blends edgy, experimental programming with traditional arts offerings.
  • Breaking with the traditional canon of styles in the arts, pop art is as experimental as the expressionist or primitive arts.
innovative, innovatory, new, original, radical, avant-garde, cutting-edge, alternative, unorthodox, unconventional
informal way-out
1.2Relating to scientific experiments: experimental results
More example sentences
  • To check for robustness of results in this experimental study we used analysis of variance, analysis of covariance, and nested design.
  • These findings are supported by both experimental and theoretical results.
  • The two groups were collapsed for further analyses, resulting in a larger experimental group.
1.3 archaic Based on experience as opposed to authority or conjecture: an experimental knowledge of God
More example sentences
  • Pauli based his investigation on a profound analysis of the experimental and theoretical knowledge in atomic physics at the time.
  • What converts it from speculation to knowledge is confirmation by experimental evidence.



Pronunciation: /ikˌsperəˈmen(t)əˌlizəm/
Example sentences
  • He represents the end of the 60s spirit of experimentalism.
  • The self-released, self-financed record veered into noisy experimentalism, with the musician pushing country's boundaries and receiving critical acclaim in the process.
  • Most importantly, it hammers home the importance of experimentalism: that for this relatively new form of music to progress, artists will have to think as creatively now as they did 70 years ago.


Pronunciation: /ikˌsperəˈmen(t)ələst/
Example sentences
  • The experimentalists would discover this kind of particle very easily.
  • He met experimentalists and theorists every day, attended talks and conferences, travelled extensively to conferences inside America as well as travelling to Poland.
  • By the mid '70s, most of these regional experimentalists had relocated to New York and were dominating the avant-garde jazz scene.


Late 15th century (in the sense 'having personal experience', also 'experienced, observed'): from medieval Latin experimentalis, from Latin experimentum (see experiment).

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Syllabification: ex·per·i·men·tal

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