experimental

adjective
ex·​per·​i·​men·​tal | \ ik-ˌsper-ə-ˈmen-tᵊl also -ˌspir- How to pronounce experimental (audio) \

Definition of experimental

1 : of, relating to, or based on experience or experiment
2a : serving the ends of or used as a means of experimentation an experimental school
b : relating to or having the characteristics of experiment : tentative still in the experimental stage

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Other Words from experimental

experimentally \ ik-​ˌsper-​ə-​ˈmen-​tᵊl-​ē How to pronounce experimentally (audio) also  -​ˌspir-​ \ adverb

Synonyms for experimental

Synonyms

developmental, pilot, trial

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Examples of experimental in a Sentence

The fuel is being used on an experimental basis. an experimental procedure for patients suffering from leukemia

Recent Examples on the Web

At The Garage, bartenders will use Hard Truth spirits in creative and experimental drinks such as smoked cocktails. Liz Biro, Indianapolis Star, "A new lobster roll restaurant has just signed on at Bottleworks' food hall on Mass Ave.," 8 Aug. 2019 Determining how to split prize winnings will remain a work in progress, just as Epic Games' business model for the World Cup still feels experimental. Shannon Liao, CNN, "Who is getting rich off of Fortnite," 1 Aug. 2019 Destiny's Child, TLC, and the Spice Girls included—and the solo female acts who forged a path in their field: from bubblegum pop greats to powerhouse experimental and R&B acts like Björk and Lauryn Hill. Lori Keong, Marie Claire, "50 Quintessential '90s Songs That Will Give You Major Nostalgia," 26 July 2019 His deal being for one year illustrates the experimental nature of the signing, and part of that is bridging the roster to what should be a really good 2020 draft class at his position, but Funchess is going into a really, really good situation. Albert Breer, SI.com, "TCU’s Gary Patterson Has Something to Teach NFL Coaches About Defense," 25 July 2019 Brewmaster Garrett Oliver came on board in 1994 and began brewing a lineup that has come to include East IPA, Brown Ale and Sorachi Ace Saison, along with seasonal and experimental brews, such as Brooklyn Local 1. Jay R. Brooks, The Mercury News, "Bay Area-brewed Brooklyn Lager? It’s true," 15 July 2019 Despite the wild, experimental nature of the series, American anime fans thoroughly embraced FLCL since its debut on Adult Swim in 2003, turning it into a cult hit with influences on familiar shows like Teen Titans and Avatar: The Last Airbender. Stephen Scaife, The Verge, "Cult favorite anime FLCL is back with new episodes — but 15 years later, the original still shines," 2 June 2018 Drug companies sometimes set up such programs for patients who aren’t in clinical trials but might benefit from free experimental medicines. Jonathan Saltzman, BostonGlobe.com, "The world’s most expensive medicine could save toddlers’ lives. But getting it is complicated," 8 Aug. 2019 Brantly received one of the first doses of ZMapp, an experimental drug that had not been tested on humans but worked in trials involving monkeys. Fox News, "After surviving Ebola, this medical missionary is returning to Africa," 19 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'experimental.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of experimental

15th century, in the meaning defined at sense 1

History and Etymology for experimental

Middle English, borrowed from Medieval Latin experīmentālis, from Latin experīmentum "testing, experience, proof" + -ālis -al entry 1 — more at experiment entry 1

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More Definitions for experimental

experimental

adjective

English Language Learners Definition of experimental

: relating to a scientific experiment or to scientific experiments in general
: made or done in order to see how well something works
: using a new way of doing or thinking about something

experimental

adjective
ex·​per·​i·​men·​tal | \ ik-ˌsper-ə-ˈmen-tᵊl How to pronounce experimental (audio) \

Kids Definition of experimental

: relating to, based on, or used for experiment He's trying an experimental treatment for the disease.

experimental

adjective
ex·​per·​i·​men·​tal | \ ik-ˌsper-ə-ˈment-ᵊl also -ˌspir- How to pronounce experimental (audio) \

Medical Definition of experimental

1 : of, relating to, or based on experience or experiment
2 : founded on or derived from experiment the heart of the experimental method is the direct control of the thing studied— B. F. Skinner
3 of a disease : intentionally produced especially in laboratory animals for the purpose of study experimental diabetes

Other Words from experimental

experimentally \ -​ᵊl-​ē How to pronounce experimentally (audio) \ adverb

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