experimental

adjective

ex·​per·​i·​men·​tal ik-ˌsper-ə-ˈmen-tᵊl How to pronounce experimental (audio)
 also  -ˌspir-
1
: of, relating to, or based on experience or experiment
2
a
: 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
experimentally
ik-ˌsper-ə-ˈmen-tᵊl-ē How to pronounce experimental (audio)
 also  -ˌspir-
adverb

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 Such a move is likely to be influential: A similar proposal in 2018 that was put forth to help guide research on experimental Alzheimer’s medications was quickly adopted by the Food and Drug Administration and is frequently cited by doctors, scientists and health insurers. Melody Petersen, Los Angeles Times, 14 Feb. 2024 Human clinical trials are expected to start in 2026 to determine the viability of the experimental treatment method. Melissa Rudy, Fox News, 14 Feb. 2024 Pancreatic cancer is among the deadliest types of cancer, but a new experimental therapeutic vaccine appears promising for people with the most common form of the disease. Jaimie Seaton, Scientific American, 13 Feb. 2024 Another experimental measure, starting in August, will limit tour groups to 25 people. Stefano Pitrelli, Washington Post, 13 Feb. 2024 But such experimental projects come at considerable costs — costs that under a bill being considered by Florida lawmakers would be passed on to consumers, not the companies that stand to profit from the operations. Ashley Miznazi, Miami Herald, 13 Feb. 2024 When the government needed its citizens to adopt some collective measure—such as taking an experimental vaccine or enduring costly economic shutdowns—Dr. Agawa would appear on television to make the case. Elliot Ackerman, WIRED, 12 Feb. 2024 Evolutionary theory and experimental evidence reveals that race is not a natural category. TIME, 3 Feb. 2024 Rainey’s music merges pow wow with experimental electronic production. Dustin Nelson, SPIN, 1 Feb. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'experimental.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of experimental was in the 15th century

Dictionary Entries Near experimental

Cite this Entry

“Experimental.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/experimental. Accessed 25 Feb. 2024.

Kids Definition

experimental

adjective
ex·​per·​i·​men·​tal ik-ˌsper-ə-ˈment-ᵊl How to pronounce experimental (audio)
1
a
: of, relating to, or based on experience or experiment
experimental evidence
b
: subjected to the condition that is different from normal for a factor being tested in an experiment
the experimental group
2
: relating to or having the characteristics of experiment : tentative sense 1
still in the experimental stage
experimentally adverb

Medical Definition

experimental

adjective
ex·​per·​i·​men·​tal ik-ˌsper-ə-ˈment-ᵊl also -ˌspir- How to pronounce experimental (audio)
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 studiedB. F. Skinner
3
of a disease : intentionally produced especially in laboratory animals for the purpose of study
experimental diabetes
experimentally adverb

More from Merriam-Webster on experimental

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